区块链 英文缩写,区块链的英文全称是什么

Blockchain，英文全称为：Decentralized Ledger Technology，简称DLT，即去中心化账本技术。它是一种分布式数据库，可以记录任何形式的数据，以及每种形式的数据的状态变化。它的特点是可以跨越多个网络，每个网络上的节点都可以访问数据，并可以更新数据，从而形成一个安全、可信任的网络。

关于区块链技术，拓展3个相关关键词分别是：加密、智能合约、去中心化。

加密：加密是区块链技术的核心，它是一种数据加密技术，可以使数据在网络中传输时安全可靠。它的主要目的是保护数据的安全性和隐私性，使数据在传输过程中不会被篡改或泄露。加密技术可以确保网络中的数据安全可靠，并且可以有效地防止非法攻击。

智能合约：智能合约是区块链技术的一个重要组成部分，它是一种可以自动执行的合约，可以用来实现自动化的交易。智能合约可以让双方的交易更加安全可靠，因为它可以保证双方的交易过程是自动化的，而不需要人工干预，从而可以有效防止篡改或欺诈行为的发生。

去中心化：去中心化是区块链技术的一个重要特点，即没有中心化的服务器管理，而是由网络中的节点共同管理。去中心化的特点是可以更好地保护数据的安全性和隐私性，因为没有中心化的服务器，就不存在数据泄露或被黑客攻击的可能性。此外，去中心化的特点还能够有效地防止恶意攻击，使网络更加安全可靠。

以上就是关于区块链技术的3个关键词：加密、智能合约、去中心化的介绍，它们是区块链技术的重要组成部分，可以有效地保护数据的安全性和隐私性，使网络更加安全可靠。

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① What do the three currencies BTC, ETH, and USDT on Bit Blue Whale mean?

BTC is Bitcoin, ETH is Ethereum currency, and USDT is made by American Tether A token issued by the company to be equivalent to the US dollar

② What is TPS in the blockchain?

The full English name of TPS is Transaction PerSecond. When used in digital currency, TPS refers to System throughput is also the number of system processes per second. If the TPS concurrency per second is too low, it will easily cause serious network congestion, making the blockchain unable to be implemented in high-value, high-concurrency business fields. For example, because TPS concurrency per second is too low, both Bitcoin and Ethereum have problems with high transaction fees, long confirmation times, and poor scalability. As a result, the Bitcoin community has been divided, and hard forks have become the norm.

Currently, many coins are making a fuss about TPS, hoping to avoid the disadvantages of Bitcoin. For example, for ULAM, USDT, USC, and several currencies, their throughputs are minimum 10,000 TPS confirmation, 7 TPS confirmation, and 100 TPS confirmation respectively. We can compare their TPS levels to identify their speeds.

As we all know, Bitcoin can only conduct about 7 transactions per second

Ethereum is slightly better, only 10-20 transactions.

As a payment system, this is far from enough. Some people often use this as an argument and think that the efficiency of blockchain is low.

Recently I discovered a very good public chain with high TPS: ULAM public chain.

ULAM is the fifth blockchain project with major innovations in consensus algorithms after POW, POS, DPOS, and PBFT consensus algorithms.

The ULAM consensus algorithm uses the characteristics of the hash function to create an ultra-low energy consumption, completely decentralized, and highly stable blockchain system; it is currently the only one that has successfully broken the "Impossible Triangle" of the blockchain. "New consensus algorithm. ULAM does not require hash calculation competition and can allow low-power mobile phones, smart watches, routers, etc. to participate in "mining". The new non-interactive transaction verification algorithm (NITCV) designed by ULAM can enable TPS to reach a minimum of 10,000. ULAM uses the knowledge proof method to construct a non-interactive transaction verification algorithm. ULAM has super fragmented nodes; completely decentralized; resistant to computing power concentration; 49% fault tolerance; resistant to quantum attacks;

③ What does Bitcoin ETH mean?

Bitcoin is BTC, while ETH is Ethereum.
The concept of Bitcoin was first proposed by Satoshi Nakamoto on November 1, 2008, and was officially born on January 3, 2009[1]. Open source software designed and released based on Satoshi Nakamoto’s ideassoftware and the P2P network built on it. Bitcoin is a P2P virtual encrypted digital currency. Peer-to-peer transmission means a decentralized payment system.
Ethereum (English Ethereum) is an open source public blockchain platform with smart contract functions. It provides a decentralized Ethereum Virtual Machine through its dedicated cryptocurrency Ether (ETH). ) to handle peer-to-peer contracts.

Warm reminder:
1. The above information is for reference only and does not make any suggestions;
2. According to the "Announcement on Preventing Token Issuance Financing Risks", there is no approval in my country digital currency trading platform. According to my country's digital currency regulatory regulations, investors have the freedom to participate in digital currency transactions at their own risk.
Response time: 2021-02-01. For the latest business changes, please refer to the official website of Ping An Bank.
[I know about Ping An Bank] Want to know more? Come and see "I Know Ping An Bank"~
https://b.pingan.com.cn/paim/iknow/index.html

④ What is "Blockchain"< /p>

The blockchain is a public ledger. There is no centralized hardware or management organization. Anyone can automatically verify the authenticity of the ledger and easily discover whether the ledger has been tampered with by others.

In a word, the blockchain is a public ledger that can be verified by everyone.

The concept of being verifiable by everyone is crucial to blockchain.

Bitcoin uses the blockchain to record all transactions, so anyone knows the number of Bitcoins on each account.

So, as a publicly verifiable ledger, what are some use cases for blockchain?

In fact, there are many use cases that can be thought of. Blockchain is suitable for any data that can be recorded on a public ledger. Here are 4 examples:

1. Decentralized domain name server, namely domain currency. The domain name server is actually a ledger that records domain names.

2. Trustless public key encryption, such as https that discards unreliable certification authorities.

3. Ownership records, truthfully record the items and their corresponding owners.

4. Contracts and performance guarantees, the account book truthfully records the parties to the contract and saves the contract text.

But don’t forget that blockchain also has a very important component.

The ledger recorded using blockchain technology will always be updated. New data such as transactions, domain name inputs, records and contracts will be converted into hash values ​​of the same length by the hash algorithmSave it. However, hashing algorithms are not only not free but also very expensive.

Therefore, the ledger itself needs to have a recognition system to recognize the person who enters the block hash value.

In Bitcoin, this system is called mining and is rooted in the Bitcoin protocol. Bitcoin miners use a hash algorithm to convert transactions waiting for verification into hash values, and charge a certain amount of Bitcoin as a service fee.

Therefore, for non-monetary use cases, blockchain needs to find a way to bear the high cost of hashing algorithms.

I would like to remind everyone that my answer mainly focuses on the possible use cases of blockchain technology, and does not cover all aspects of blockchain, such as why hashing algorithms are so expensive. I'm sure you can find a lot of detailed information about Bitcoin and other blockchain applications online.

Supplement

Although blockchain technology has many advantages, there are still some less than ideal use cases. For example, there is no way to convert Bitcoin into any national currency; a ledger with billions of data entries would take up space and be impractical.

Bitcoin has shown the world that blockchain technology is feasible in principle, and people are also trying to solve these increasingly prominent problems, such as technological transformation of Bitcoin or the introduction of a completely Different blockchain technologies. I think the following two methods are worth trying: one is to split the ledger according to certain standards such as the payer address, and the other is to introduce a main blockchain to verify the sub-blockchain. Blockchain technology is ever-changing and dazzling, and it’s unknown whether someone is already making such an attempt. But Bitcoin is still the world's first currency blockchain, what others call a cryptocurrency.

Whether in the technology circle or the financial circle, blockchain has become the hottest word, no one. Blockchain has core advantages such as decentralization and trustlessness, and can perfectly solve problems such as information asymmetry, high transaction costs, and trust of strangers in the development of the sharing economy, making "individual economy" possible. Based on this, blockchain technology is considered to be the core technology that has the greatest potential to trigger the fifth wave of disruptive revolution after steam engines, electricity, information and Internet technology.

In this context, a blockchain craze was born in society, and everyone praised it overwhelmingly. Dialectics tells us that everything has flaws, and only by seeing the pros and cons of things can we make rational decisions. Therefore, in this article, Xue Hongyan (Hong Yanweiyu), a senior researcher at Suning Financial Research Institute, focuses on pouring some cold water on the blockchain.

| What is Blockchain

Blockchain, English Blockchain, has a rather mysterious technological flavor in its name, and can be simply broken down into "data blocks" and ""Link". Each data block contains all the information exchange data of the system within a certain period of time, and is encrypted using cryptography; link means that each block has a link relationship with the next block, thus forming a block. Chain.

It is generally believed that blockchain has two major characteristics: decentralization and trustlessness. A brief introduction is as follows:

Since each block contains all information exchanged in the system within a specific period of time Data, so each block is equal, and the damage to a single block does not affect the overall security of the system, so the blockchain has decentralized characteristics.

Similarly, since each block contains All information in the system makes the authenticity of the information cross-verifiable. Only by breaking through more than 51% of the nodes can the information be tampered with. In a large enough blockchain system, the cost is extremely high. It can be considered that all the information in the blockchain is is real, so blockchain has the characteristics of trustlessness.

Most people’s understanding of blockchain begins with Bitcoin. The relationship between the two is that blockchain is the underlying technology and concept, and Bitcoin Coin is just one of the most popular applications of blockchain at present.

Maybe the above is not popular enough. Finally, let me summarize, what do you think blockchain is? It is a disruptive new technology. ? NO! In the view of Xue Hongyan (Hong Yanweiyu), a senior researcher at Suning Financial Research Institute, blockchain is not so much a new technology, but a new ideological concept. The information contained in the blockchain is encrypted While the technology has been around for a long time, it is more of a conceptual innovation, which is why blockchain has such a huge impact. New technologies will be surpassed sooner or later, in as little as one or two years and as many as four or five years; and innovative Only the concept has enough energy to affect all aspects of the economy and society.

| Blockchain is expected to change the underlying rules of the financial system

In applications in the financial field, blockchain will change Transaction processes and record keeping methods, thereby significantly reducing transaction costs and significantly improving efficiency, are considered to be important in digital currency, cross-border payment and clearing, bill trading, securities issuance and trading, property rights transactions, customer credit reporting and anti-fraud, and anti-money laundering There is a broad market environment in other aspects.

Such a good technology is naturally sought after by everyone. Like many traditional financial people, Hong Yanweiyu resisted it at first, thinking that this thing is not that magical. , and did not do research specifically. Later, as the research on financial technology gradually deepened, I found that blockchain is an obstacle that cannot be bypassed, because whether it is robo-advisory, big data risk control or online lending, they are only at the financial business level. Technological innovations at the and risk control levels have not penetrated into the bottom layer of the financial system. What is the bottom layer of the financial system? Naturally, it is payment and settlement, transaction rules and system interaction. What the blockchain changes is precisely the underlying rules.

Therefore, looking at the international and domestic world, financial institutions are the most active in researching blockchain. If nothing else, they are really afraid. The decentralization and trustless characteristics of blockchain are sufficient.After that, what else do intermediaries from financial institutions do? It is estimated that this is also the first feeling of many people who have a preliminary understanding of blockchain.

In this article, Hong Yanweiyu focuses on pouring cold water on this view.

| Subverting the financial system, blockchain still faces two mountains

Marxist dialectics tells us that everything has two sides. The more prominent the advantages, the more obvious the flaws. It’s just the perspective. Just different. The two major problems with blockchain subverting the financial system lie precisely in the two major advantages of decentralization and trustlessness.

First, let’s talk about decentralization. First, we need to clarify a truth. Does centralization necessarily mean low efficiency? Of course not. Within a specific scope, the concentration of resources brought about by centralization can greatly improve efficiency. This is also the reason why human beings evolve from individuals to villages to tribes and then to countries in the process of evolution. Take UnionPay as an example. UnionPay is the clearing and settlement center for the domestic banking industry. After UnionPay is established, each bank only needs to connect with UnionPay to realize transactions with all banks. If it is decentralized, without UnionPay, each bank will need to When communicating with all counterparties, which one is more efficient? Therefore, there is no need to beat centralization to death with a stick. The decentralization feature of blockchain is destined to only play a role in specific fields (that is, fields that are not suitable for centralization). How can it subvert everything?

Furthermore, it is a matter of trust. There is nothing wrong with detrusting itself, but the technical logic behind it is deeply flawed. Blockchain relies on universal accounting to achieve trustlessness, that is, all transaction information is retained in each block for system cross-verification to identify authenticity. Here comes the problem. Each block retains all transaction information. There is no problem on a small blockchain. However, as more and more information is added, it will inevitably lead to an explosive growth of transaction information and will also bring information. Dramatic increase in storage costs. At the same time, the greater the amount of information, the longer cross-validation takes and the lower the efficiency. Therefore, the blockchain solves the trust problem, but it brings about rising costs and declining efficiency.

Nothing in the world is perfect, and the same is true for blockchain.

As a conclusion, Hongyanweiyu wants to clarify that blockchain, as a conceptual innovation, does have great value and can also have a disruptive impact in specific fields. However, the current one-sided thinking about blockchain is problematic. Eastern wisdom tells us that "the most brilliant and the golden mean", in the face of anything, it is wisest to maintain the golden mean.

(Text/Xue Hongyan, senior researcher at Suning Financial Research Institute; WeChat public account: Hongyan Weiyu)

As early as a few years ago, the word "mining" came with Bitcoin is well known for its popularity. Many people know about Bitcoin first and then the blockchain, and they even don’t know about the blockchain yet. By definition, a blockchain is a series of data blocks generated using cryptographic methods. Each data block contains a comparisonThe information of Bitcoin network transactions is used to verify the validity of its information (anti-counterfeiting) and generate the next block.

I am not a computer technology expert. The following introduction to blockchain comes from reading and comments from expert friends and is for reference only.

If you want to use one word to explain blockchain, it is: distributed accounting.

To understand what this word means, you need to first understand that traditional accounting has a center. For example, in a bank, when you withdraw money from a bank deposit or lend money to others through the bank, the bank is the center. All these transactions are based on the bank's credit. What if the bank cheats? Or is it more serious, is the country cheating? The Kuomintang's indiscriminate issuance of gold yuan coupons at the end of its rule in mainland China, as well as the hyperinflation in Weimar Germany and Zimbabwe, which made the currency less valuable than toilet paper, are very famous examples.

Golden Yuan Coupons

This is the problem that blockchain is aimed at. They believe that decentralized accounting is non-modifiable and non-repudiable. How to achieve decentralized accounting? The basic idea is that all users store all transaction records, and through mathematical methods, it becomes very difficult to illegally modify the ledger. In this way, the reliability of the ledger is guaranteed.

Specifically, all users exhaustively enumerate random number variables, and the first user to obtain a specific required hash function value (Hash) will have the right to record this round of transactions and obtain the corresponding Bitcoins award. It is transmitted in the form of data blocks, and the data blocks are connected into a chain by appending at the end, so it is called a block chain.

After listening to the introduction, you may feel that this idea is interesting, but it is not as exciting or revolutionary as advertised. Your feeling is right. In fact, the basic logic of blockchain has some unavoidable problems.

For example, the current size of the complete Bitcoin public ledger has exceeded 150 G, and is rapidly increasing at a rate of tens of G per year - just to support 5 million users and 30 million transactions per year. If its processing volume is one day comparable to that of Alipay, the size of the Bitcoin ledger will increase by more than 500 terabytes per year. This is equivalent to backing up the Alipay server's storage data on all users' personal computers. Do you think this is a good idea?

For another example, in the traditional banking system, if you lose your password, it is no big deal. Just report it to the system in time, and your wealth will not disappear. But in the blockchain system, if you lose your password, it will be a huge trouble, and your currency will not be recovered. Not happy? Is it surprising?

Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithms. The so-called consensus mechanism isMathematical algorithm to establish trust and obtain rights and interests between different nodes in the blockchain system

In layman’s terms, it is to play mahjong. Four people can take turns to be the banker, playing tricks on each other. Four people have their own ledgers. records, but if you want to modify the ledger, you must have more than 50% of the modification rights, so the cost of cheating on the ledger is very high.

In the future, blockchain will be used more in finance to combat money laundering and fraud, because all information can be traced, and in culture it can be used for copyright protection, etc.

< /p>

I have seen a lot of people’s explanations of blockchain in official terms, and some may not even be clear to the person explaining it. I will explain blockchain in vernacular below to ensure that everyone can read it. Gotta understand.

What is blockchain? Let me give an analogy. In 50 years, you can buy an electric fan from the supermarket. This electric fan will automatically help you mine coins while using the electric fan. When you use the electric fan, you can automatically mine coins. When the fan breaks down, you can use the mined coins to repair the electric fan. Of course, you can also use the mined coins to buy a new electric fan. Many people think wrongly! Wouldn’t the profits of merchants be less? Let me tell you about a certain brand. When the products of this brand are sold to you, the products themselves may even be sold to you at a loss. However, once the number of users becomes large and the users become more sticky, they can be paid through membership fees or service fees. Such small fees or other ways to make profits. Just like this, the mined coins can be purchased and repaired. Although the merchant's profit may be reduced, the merchant has gained more users and greater user stickiness. By this time, it only takes a minute for the merchant to make money.

And the electric fan you bought is equivalent to winding it up for you. What is winding up? If you put your electric fan on the street now, and 10 people come to snatch it, you have no way to prove that the ownership of this electric fan is yours. Once you put it on the chain, it is equivalent to being tied to you. Once it’s settled, you can prove it.

Therefore, the essence of blockchain is to help make people’s lives more convenient. It is equivalent to upgrading on the basis of the Internet, making it safer and more convenient. This is blockchain! It's that simple.

The security of the blockchain is reflected in its irreversibility and the data cannot be tampered with. We all know that in today's society, any data can be modified and conquered by hackers, but the data in the blockchain cannot be changed. Once generated, it cannot be modified unless all users in the blockchain work together. Agree to modify the data, but this is unlikely to happen.

At present, the blockchain is still very immature, just like the Internet bubble burst in 2000. When the bubble bursts, real value will be hatched.Blockchain Internet company.

The wheel of history will not go backwards. Many people are unwilling to accept blockchain. Just like telling you that you can shop online 20 years ago, this is the same ridiculous thing. Time will eventually prove it. .

1. The main function of blockchain is to store information. Any information that needs to be saved can be written to the blockchain and read from it, so it is a database.

2. Anyone can set up a server, join the blockchain network and become a node. In the world of blockchain, there is no central node. Every node is equal and stores the entire database. You can write/read data to any node, because all nodes will eventually be synchronized to ensure that the blockchain is consistent.

3. Everyone works on the same blockchain, everyone publicly shares the current state of the blockchain, everyone agrees on the rules for new data submission and tampering with the blockchain is prohibited. It is difficult to operate in terms of computing power.

If we assume that the database is a ledger, reading and writing the database is an accounting behavior:

Anyone can verify this public ledger, but there is no single The user can control it. Participants in the blockchain system will jointly maintain the update of the ledger: it can only be modified according to strict rules and consensus, and there is a very exquisite design behind this.

(1) Accounting, the system will find the person with the fastest and best accounting within a period of time, let this person do the accounting, and then broadcast the information on this page of the account book to everyone else on the entire network. node, which is equivalent to changing the database record; (consensus mechanism, cryptography)

(2) Verification, other valid nodes in the entire network check the correctness of the block accounting, and stamp the time Stamp to confirm that the block is legal; (timestamp, mathematics)

(3) Form a single chain, that is, compete for the next block after the previous legal block; (smart contract, encryption technology)

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(4) Storage, the account book is stored in blocks. As transactions increase, new data blocks will be appended to the existing chain to form a chain structure; (distributed structure, information technology) < /p>

(5) Backup, every participating trader is a node of the block network, and each node has a complete backup of the public account book, which is a distributed ledger.

Features

1. The blockchain has no administrator and is completely centerless. It is precisely because it cannot be managed that the blockchain cannot be controlled. Without an administrator, everyone can write data into it. In order to ensure the trustworthiness of the data: the technology of blockchain makes it impossible to tamper with the data once it is written.

2. Close to zero trust cost.

When Internet companies build the cycle of their credit needsThe time is extremely long. For example, it often takes several years for Taobao to establish credit. In the blockchain, everyone trusts the code, algorithm and rules, so the cost of trust is extremely low.

3. The marginal cost of constructing and trading assets approaches zero.

If traditional assets are to be used for trading, they need to rely heavily on third parties, such as investment banks, banks, securities firms, etc., for packaging and endorsement, and the fees and thresholds are extremely high. With blockchain, these will not be a problem, and the cost is extremely low.

The value transfer attribute of the blockchain also naturally solves the payment problem, and has the genes to support global payments.

According to my current understanding

1. Blockchain is an outlet.

Everyone is talking about blockchain. Whether they have read it or not, whether they understand it or not, many people are forwarding blockchain articles in their circle of friends. The only new WeChat group is Blockchain related groups.

Investors are talking, entrepreneurs are talking, almost every major Internet company is talking about it, government departments are taking a stand, and tens of thousands of vertical media focusing on blockchain are quickly born.

If you don’t join any currency circle or chain circle, you will be completely out. Even the well-known investment tycoon Zhu Xiaohu was unilaterally declared to belong to the old world by the rising star Chen Weixing.

2. Blockchain represents the story of sudden wealth.

Although ICO has been stopped by the national level, the most popular word-of-mouth about blockchain is still the increase in wealth by hundreds or thousands of times. Coins that were bought for a few cents or a few dollars are now worth dozens or hundreds of dollars. Everyone is talking about value-added stories.

There are Bitcoin and Ethereum. If you download a digital currency trading platform APP, the various currency codes composed of densely packed letters will feel like a stock exchange.

3. Blockchain is not only a technology, but also a belief at the conceptual level.

The basic layer, application layer, and a lot of blockchain knowledge seem to have a lot to do with the hot artificial intelligence.

Many people say that blockchain technology is mature, but applications have barely found an entrance. We can all shout loudly: Artificial Intelligence +, but if you shout "Blockchain +" now, it's not enough and you will be laughed at. The application scenarios are still being explored.

As for the previous Internet, it was an Internet of confidence. With the addition of blockchain, it became an Internet of value.

Such similar concepts are people’s good expectations for blockchain technology to solve the trust problem. If it is so easy to implement, blockchain can subvert finance, e-commerce, and many intermediaries. But why has the Internet not been subverted for so many years and real estate still relies on intermediaries?

4. Blockchain already has a history, so don’t think it is too new.

Just like many people claim that artificial intelligenceAs trendy as it is to be laughed at, its history dates back to the 1950s.

The blockchain is marked by the birth of Bitcoin, which was 10 years ago. There is also a still mysterious founder, Satoshi Nakamoto, who seems to have a Japanese name, and some say he is from the United States. From the Security Bureau, I think it can also be interpreted as "Chinese people are inherently smart", of course the latter is just a joke.

The reason why it has become so popular is because of the skyrocketing price of various digital currencies in 2017, which skyrocketed thousands of times in a few months and days. How could there be such an amazing speed in the past?

5. Blockchain is a knowledge system.

For me, whether it is a trend, whether it is a wealth game, or whether it is technology, we cannot ignore it or ignore it.

I started to make two columns to understand the blockchain from the perspective of characters, stories and characters. One is "Blockchain 100 People (Industry People)" and the other is "Blockchain 100 Investors". (Viewpoint)” Learn and spread at the same time.

As for related books, of course, I will accept them all as ordered. I can only be a follower of various trends and follow suit.

The biggest mistake is not how we criticize the blockchain, but to ignore it when we see it has a huge bubble and the crowd is enthusiastic about it. Stay away from it if you think you are noble.

The only way we have left is to be willing to be students, learn, and learn again.

Literal meaning: block, chain, using a chain to connect each block.

Blockchain = distributed data storage + point-to-point transmission + consensus mechanism + encryption algorithm

What is data storage? For example, a supermarket must have a ledger to record the entry and exit of various goods and transactions. This is storage.

What is distributed storage? It is the account book of this supermarket. Every employee has a copy. Every time there is something that needs to be recorded, it will be recorded in everyone's account book in a timely manner. Distributing each ledger (storage) to countless people (places) is distributed storage. (The supermarket employees here can be understood as blocks, and the ledger is the chain)

What is point-to-point transmission? In the same supermarket, there is no yogurt at the front desk. The shopping guide reports it to his superiors, and then reports it to his superiors.... Finally, he reports it to the warehouse. The warehouse records the accounting records in the ledger, and then transfers the goods to the front desk. As for point-to-point transmission, if there is no yogurt at the front desk, the shopping guide directly tells the warehouse, and the quantity sent by the warehouse to the shopping guide is recorded in the ledger. Everyone knows how many goods the warehouse has sent to the front desk. This is point-to-point transmission. There is no intermediate link, but the accounts can be made public for everyone who holds the ledger to see.

What is consensus mechanism? The consensus mechanism mainly includes two points. To summarize simply, the minority obeys the majority and everyone is equal. Similarly, in this supermarket, there may be people with high positions andIt’s low, but everyone’s account books are indeed the same and equal. If someone makes a false account, then this person's account must be different from other people's accounts. At this time, it depends on whose account is remembered by more people. In theory, as long as the blockchain is large enough, then there is no need to make false accounts. Limit reduction! Because of the "minority obeys the majority" mechanism, if you want to make false accounts, then the number of false accounts you need to make must be at least greater than 50% of the total! On a network, if you need to change a piece of data, you must control at least 50% of the total number of computers to succeed.

The encryption algorithm is easy to understand. That is, when you go to the warehouse to adjust goods, the system will protect your privacy very well. It will only record the time, location, and person with a certain number who went to adjust the yogurt. It couldn't be the time, place, or Zhang San went to mix the yogurt. Taken together, this is the core component of the blockchain.

Personally, I think its main function is to decentralize and protect data from being tampered with! Decentralization and data protection are actually related. A supermarket only has one ledger, and any scheduling needs to go through the person who manages the ledger. If you need to make false accounts, you only need to control the person who manages the ledger. And if that supermarket uses blockchain technology, then he will make false accounts. If this is the case, you need to control more than 50% of the people who hold the total number of accounts of that supermarket. Obviously, controlling so many people will be almost impossible as the number of holders increases.

⑤ Ultra-detailed compilation of blockchain and cryptocurrency industry terms (recommended collection)

Bitcoin Glossary: ​​Every blockchain and cryptocurrency phrase you need to know

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Despite the difficulties, blockchain technology has become mainstream. Bitcoin has become a household word, with financial institutions around the world investing in the cryptocurrency or allowing their clients to do so. At the same time, NFT has attracted the participation and appreciation of celebrities from all walks of life.

But despite this, blockchain technology remains very mysterious. Only talented engineers - many of whom were early adopters of cryptocurrencies like Bitcoin and Ethereum - can truly understand this, while it can still be difficult for laypeople.

Below is a glossary of blockchain terms you may find useful. (All phrases in alphabetical order)

Airdrop

An airdrop is when a company drops a cryptocurrency or NFT directly into your wallet. Instead of an IPO, the blockchain service will launch tokens and airdrop them to users who have used the service. There are several reasons for this: it could be pure marketing, as the airdrop raises awareness of the tokens people can invest in, or it could provide governance tokens for the DAO.

A recent example: the Ethereum Name Service allows users to change their wallet number to a wallet name (such as CNET.eth). Last December, it launched its own ENS token, airdropping a certain amount to everyone who uses the service. The more people use the Ethereum name service, the more tokens they get airdropped — worth tens of thousands of dollars in some cases.

Altcoin

Any cryptocurrency that is not Bitcoin or Ethereum is called an Altcoin. Sometimes called "shitcoins."

Binance

The world's largest cryptocurrency exchange, where people buy and trade cryptocurrencies. It is under investigation by the U.S. Department of Justice and the Internal Revenue Service for tax evasion and money laundering.

Blockchain

Blockchain is a "distributed database". Simply put, it is a decentralized ledger that records information in digital “blocks.” Once a block is mined and added to the chain, it cannot be changed, so the blockchain provides a public record of unchangeable data.

There are many different blockchains with varying degrees of decentralization, efficiency, and security. Many people have their own cryptocurrencies - for example, Ethereum is a cryptocurrency built on the Ethereum blockchain.

Bitcoin

Bitcoin is the first cryptocurrency, built on the Bitcoin blockchain. It was created in 2009 by a person or group of people under the pseudonym Satoshi Nakamoto. Only 21 million pieces can be minted, of which approximately 18.9 million are already in circulation.

Burning

Cryptocurrency is "burned" by sending to a wallet that can only receive but not send. Burning mechanisms are often used to create a deflationary effect: the fewer tokens in circulation, the scarcer the tokens held by investors.

Buy the dip

This refers to buying more of an asset after its price has fallen. For example, if the price drops by $10,000, a Bitcoin holder might “buy the dip.”

Cold Wallet

A cryptocurrency wallet that is not connected to the Internet. These wallets are safer and less susceptible to scams.

Cross-chain

The ability to send data, tokens or assets from one blockchain to another. This is different from working on multiple blockchainsA "multi-chain" service built for collaboration.

Cryptography

A form of information encryption in which data can only be decrypted using a key. Blockchains using a proof-of-work protocol rely on solving extremely complex cryptographic puzzles in order to mine and verify new blocks.

Cryptocurrency

Cryptocurrency is a token native to the blockchain. Cryptocurrencies are typically minted with each new block mined. For example, every time a new Ethereum block is mined, two Ether coins will be obtained as compensation for the miners.

A cryptocurrency is a token. Their birth is their defining factor: other tokens are created using platforms and applications built on top of the blockchain, while cryptocurrencies are built into the blockchain’s protocol.

Decentralized Applications (Dapps)

Abbreviation for Decentralized Applications.

Dao (DAO)

A decentralized autonomous organization. The DAO is an organization that makes decisions through consensus: all holders of governance tokens receive voting rights in organizational decisions, and the solution with the most votes is the DAO's action plan. Imagine a decentralized investment bank, but instead of fund managers making investment decisions, holders of their governance tokens vote on how to invest the funds in their treasury.

Decentralized exchange

Decentralized exchanges are used to buy and trade cryptocurrencies. Unlike typical exchanges, these exchanges use peer-to-peer trading that bypasses any centralized authority. These include Uniswap and Sushiswap.

Decentralized Finance (DeFi)

Abbreviation of "decentralized finance". DeFi is any financial instrument that uses blockchain technology to bypass centralized institutions, such as smart contracts or DAOs.

Diamond Hands

A diamond hand is a person who holds financial assets for the long term or during periods of price volatility.

DYOR

Abbreviation for "Do Your Own Research".

Ethereum (ETH)

A cryptocurrency mined on the Ethereum blockchain. Ethereum has a market capitalization second only to Bitcoin, but is a more commonly used cryptocurrency. Most altcoins are also built on Ethereum and are therefore pegged to Ethereum. Most NFTs are also built on Ethereum, which is why Ether is the primary token used in NFT transactions.

Ethereum

A blockchain that competes with Bitcoin. It aims to take the blockchain technology pioneered by Bitcoin developers and use it for more complex financial instruments such as smart contracts.

Flash loan

Flash loan is a DeFi tool that allows loans to be made without collateral. Flash loans allow you to borrow money to buy an asset, but only if you can buy the asset and repay the interest within the same block. Imagine using a loan to purchase a $1 million house, but the loan will only be approved if you have lined up another buyer who is willing to pay enough for you to repay the loan plus interest.

These loans use smart contract technology.

FUD

Abbreviation for "fear, uncertainty and doubt". This could be legitimate, such as people expressing concerns about the safety or legality or security of a token or NFT project, such as an organized move to encourage people to sell, lowering the price of an asset.

Gas

Gas is the price you pay to use the Ethereum network. Each transaction requires a gas fee, which depends on how overloaded the blockchain is. Prices typically range from $50 to $500 per transaction, but prices can spike when the network is under heavy load.

Governance token

Governance tokens are cryptocurrencies that give their owners voting rights on a given project. See also: DAO.

GWEI

The cost of gas is expressed in GWEI. As a rough guide, when gwei is below 50, gas will be cheap, and when gwei is above 100, gas will be expensive.

HODL

Intentional misspelling of “hold” used to encourage people tohold their tokens.

Layer 1 and Layer 2

If you dabble in cryptocurrency, you will have heard of Layer 1 and Layer 2 solutions. Layer 1 is the blockchain architecture itself, while Layer 2 refers to the architecture built on top of the blockchain.

For example, take the high gas cost problem of Ethereum as an example. Layer 1 solutions are to make the Ethereum blockchain more efficient, for example by adopting a proof-of-stake protocol. An example of a Layer 2 solution is Immutible X, an exchange built on Ethereum that uses smart contract technology to allow gas-free, carbon-neutral trading.

Liquid Market

A liquid market is a market with a large number of buyers and sellers, which allows buy and sell orders to be completed almost immediately. Cryptocurrency markets are liquid, NFT markets are not. Most legal cryptocurrencies can be bought and sold at any time, as NFT traders are required to list items for sale in the hope that buyers will purchase them manually.

Mainnet

A blockchain protocol for public use will be put into the mainnet. This distinguishes it from a testnet, which is more like a beta release of a blockchain protocol.

Memecoins

Many cryptocurrencies are designed to provide utility or services. Memecoins offer no practical prospects and exist purely as speculative assets. Dogecoin is the most well-known, but there are many, many more.

MetaMask

A browser-based online digital wallet, mainly used on the Ethereum blockchain transaction.

Mining

Mining is the process of verifying transactions and adding blocks to the blockchain. This usually involves powerful computers solving complex password problems. Crucially, this is also how new cryptocurrencies are added into circulation.

Mining Rig

A powerful computer set up for the specific purpose of mining cryptocurrency.

Mining Farm

A warehouse (or room) of mining equipment that operates around the clock and is used to mine cryptocurrency.

Mint

On the blockchain, minting means verifying information and making it a block on the blockchain.

To "mint" an NFT means to purchase it from its creator during a public sale. The "mint price" is the price at which its creator sells it - for example the "mint price" of Bored Ape Yacht Club is 0.08 Ether. After all NFTs in a collection have been minted, traders who want exposure to the collection need to purchase them from a secondary market like OpenSea.

Multi-chain

Applications or services designed to work with multiple blockchains. This is different from cross-chain applications and services, which are designed to send data or assets from one blockchain to another.

MOON

A sharp surge in price is called "mooning" or "a moon". "To the moon" is a common phrase.

NFT

Non-fungible token. These are digital contracts that prove ownership of digital assets. Currently, they are associated with art, but NFTs can prove ownership of any number.

Off-Chain/On-chain

On-chain refers to things that exist on the blockchain, and off-chain refers to things that exist on the blockchain something other than something. Cryptocurrencies are on-chain currencies, and fiat currencies are off-chain currencies.

OpenSea

It is the largest NFT marketplace, specializing in Ethereum-based NFTs. (NFTs built on different blockchains are often sold on specialized marketplaces. For example, Solana NFTs are sold on Solanat.)

Play to Earn (P2E)

Play to Earn (P2E) games integrate blockchain and reward players with in-game cryptocurrency. Cryptocurrencies in these games can be exchanged for Bitcoin or Ethereum. The most prominent example is Axie Infinity, where players can earn Smooth Love Potion ($SLP).

Proof of Work

Proof of Work (POW) is a consensus mechanism by which blocks are added to the blockchain. Proof-of-work requires miners to solve complex cryptographic puzzles, which require large amounts of energy from powerful mining equipment, in order to verify new blockchain transactions.

Proof-of-work is a secure and decentralized consensus mechanism, but it is notoriously inefficient. This is how the Bitcoin and Ethereum blockchains work, although Ethereum will soon move to a more efficient Proof of Stake.

Proof of Stake

Faced with the huge energy demand of proof of work, Proof of Stake (POS) is a newer consensus mechanism that can mine areas more effectively. piece. Proof of Stake allows cryptocurrency holders to validate new blocks on the relevant blockchain.

They do this by staking their cryptocurrency. Network users stake their cryptocurrency, and if their stake is chosen via a random algorithm, they have the opportunity to validate a new block – for which they are rewarded in the form of more cryptocurrency. The more cryptocurrencies are staked, the greater the chance that users will be selected to validate new blocks.

Proof-of-work rewards those who expend the most computing power to solve cryptographic puzzles, while proof-of-stake rewards those who have invested in the cryptocurrency for the long term.

Pump and dump (Pump and mp)

Pump and dump schemes involve artificial incentives for a product, causing people to buy it and raising its price. The pump-and-dump coordinators then sell their assets at inflated prices, causing prices to fall sharply.

These exist in traditional markets but are more common in cryptocurrency trading because the low liquidity of micro-cap cryptocurrencies makes their prices easier to manipulate.

Rug pull

A rug pull is when the creator of a cryptocurrency disappears, taking the funds with them. A recent example is the counterfeit Squid Game coins, although these coins are far from rare. “Carpet” is essentially shorthand for “scam.”

Satoshi Nakamoto

A pseudonym for the creator of Bitcoin. The white paper explaining the need for decentralized finance and explaining how Bitcoin works was signed by Satoshi Nakamoto, but no one knows who the real person was. It is speculated that Satoshi Nakamoto was actually several people.

Seed Phrase

When you create a cryptocurrency wallet, you are given a 12-word seed phrase. Every time you log into your wallet on a new device, you will need to use a mnemonic phrase. Never give your mnemonic phrase to anyone.

Sharding

Sharding distributes the network load on the blockchain, allowing more transactions to be processed per second. This sounds boring, but it's very important. Ethereum will integrate sharding next year, which will make using it cheaper and less damaging to the environment.

Shitcoin

Shitcoin is an altcoin that provides no utility, whether it is a memecoin or a void altcoin.

Silk Road

Silk Road was an online black market that was shut down by the FBI in 2013. This is where many people are first exposed to cryptocurrency, as Bitcoin is a popular payment method for illegal goods on the site.

Smart contract

A smart contract is a digital contract that executes itself when required conditions are met. For example, if Wallet X sends 0.08 ether to Wallet Y, Wallet Y sends NFT Z to Wallet X. They are most commonly used for automated trading, but can also be used for more complex purposes, such as quick loans.

Stable coin

Stablecoin is a cryptocurrency pegged to the US dollar. These include Tether and USDC. Their purpose is to allow cryptocurrency traders to keep their coins within the crypto ecosystem without experiencing the volatility of Bitcoin and Ethereum price fluctuations.

Staking

Equity staking is to lock the funds held in the cryptocurrency wallet to support the operation of the blockchain network. Essentially, it involves locking up cryptocurrency to earn rewards. In most cases, the process requires users to participate in blockchain activities using a personal crypto wallet.

The concept of equity staking is closely related to the Proof of Stake (PoS) mechanism. It is used in many other blockchain systems based on PoS or similar.

TLT

Abbreviation for "think long term".

Token

Tokens are various forms of blockchain assets. A cryptocurrency like Bitcoin is a type of token. Other types include governance tokens , which grant holders voting rights in a DAO or service, or utility tokens , which grant access to services based on the number of tokens held.

TXN

Abbreviation for transaction.

Utility Token

A token designed to provide a certain function. These can be access to applications, services or games. Examples include Filecoin, which grants access to blockchain-based digital storage, and Link, which connects smart contracts for off-chain type data.

Vanity Address

Personalized wallet addresses provided by companies such as Ethereum Name Service. It allows you to change your wallet address to a word or phrase of your choice, such as CNET.eth.

Vaporware

Products that were promised but never actually made it to market. The term became popular in the late 1990s with the original dot-com boom and has seen a revival thanks to shady cryptocurrency creators.

Vitalik Buterin

The creator behind the Ethereum blockchain.

Wallet

A cryptocurrency wallet is a place where you can store cryptocurrencies and NFTs. These wallets can be hot or cold wallets – i.e. browser wallets connected to the internet or physical hardware not connected to the internet. Wallets are read-write, which means they can receive information as well as signatures or online IDs.

Web 3

Web3 is the next iteration of the Internet imagined by blockchain enthusiasts. From the invention of the Internet until around 2005, Web1 was the read-only Internet. Web2 refers to the emergence of users being able to produce content and upload it to the Internet. Web3 will be an Internet integrated with blockchain. Imagine owning your social media posts as NFTs, using a cryptocurrency like Ethereum as a universal currency, and having your wallet as a form of ID rather than an email/password combination.

Whale (Whale)

Someone who holds a large amount of cryptocurrency.

Whitelist

Pre-sale list of cryptocurrencies and NFTs. Whitelisted investors can purchase assets ahead of a public offering, sometimes at a discount.

WAGMI

Abbreviation for "we're all going to make it".

⑥ What currencies are BTC, LTC, ETH, ETC, and BCH?

They are:

Bitcoin

The concept of Bitcoin (BitCoin) was first proposed by Satoshi Nakamoto in 2009. The open source software designed and released based on Satoshi Nakamoto's ideas and the P2P network built on it. Bitcoin is a P2P form of digital currency. Peer-to-peer transmission means a decentralized payment system.

Bitcoin Cash

Bitcoin Cash is a new version of Bitcoin with different configurations launched by a small group of Bitcoin developers.

(6) Extended reading of various English abbreviations in the blockchain:

Virtual currency refers to non-real currency. Well-known virtual currencies include Internet coins of Internet companies, Q coins of Tencent, Q points, point coupons of Shanda, micro coins launched by Sina (used for micro games, Sina reading, etc.), Chivalrous Yuanbao (used for Chivalrous Road games) ), Pattern Silver (used in Bixue Qingtian game).

The popular digital currencies in 2013 include Bitcoin, Litecoin, Infinity Coin, Quark Coin, Zeta Coin, Barbeque Coin, Penny Coin (external network), invisible gold bars, red coins, and prime coins. There are currently hundreds of digital currencies issued around the world. The legends of "Bit Gold, Lite Silver, Infinite Copper, and Penny Aluminum" are popular in the industry.

⑦ Popular explanation of what blockchain is

Question 1: What is blockchain? Can you explain the principle of 10-point blockchain in plain language: decentralization A distributed accounting system
The core of blockchain technology is that all currently participating nodes jointly maintain transactions and databases. It makes transactions based on cryptographic principles rather than trust, so that any two parties who reach an agreement can directly Payment transactions are carried out without the involvement of a third party.
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Technically speaking, a block is a data structure that records transactions, reflecting the flow of funds for a transaction. The blocks of transactions that have been reached in the system are connected together to form a main chain, and all nodes participating in the calculation record the main chain or part of the main chain. A block contains the following three parts: transaction information, hash hash formed by the previous block, and random number. The transaction information is the block exchangeThe task data carried includes the private keys of both parties to the transaction, the number of transactions, the digital signature of electronic currency, etc.; the hash formed by the previous block is used to connect the blocks to achieve the order of past transactions; random Numbers are the core of the transaction. All miner nodes compete to calculate the answer to the random number. The node that gets the answer the fastest generates a new block and broadcasts it to all nodes for update, thus completing a transaction.
1.1 What is Blockchain
Blockchain (BlockChain) refers to a technical solution that collectively maintains a reliable database through decentralization and trustlessness. This technical solution mainly allows any number of nodes participating in the system to associate and generate a series of data blocks (blocks) using cryptographic methods. Each data block contains all the information exchange data of the system within a certain period of time, and generates The data fingerprint is used to verify the validity of its information and chain to the next database block.
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In layman’s terms, blockchain technology refers to a way for all people to participate in accounting. Behind all systems there is a database, which is a big ledger. Then who will keep this ledger becomes very important. At present, it is whoever owns the system who keeps the accounts. Each bank’s account books are kept by each bank, and Alipay’s account books are kept by Alibaba. But now in the blockchain system, everyone in the system has the opportunity to participate in accounting. If there are new transaction data changes within a certain period of time, everyone in the system can do accounting. The system will judge the person who has the fastest and best accounting during this period, write the recorded content to the ledger, and Send the contents of the ledger during this period to all other people in the system for backup. In this way, everyone in the system has a complete ledger. Therefore, this data becomes very safe. A tamperer needs to modify more than half of the system node data at the same time to truly tamper with the data. Such tampering would be extremely costly, making it nearly impossible. For example, Bitcoin has been running for more than 7 years. Countless hackers around the world have tried to attack Bitcoin, but so far there have been no transaction errors. It can be considered that the Bitcoin blockchain has been proven to be a safe and reliable system.
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1.2 Why is there blockchain innovation?
Human beings need to communicate during their activities, and communication is based on information. In the past, information circulation was not convenient enough to satisfy market participants. There is a demand for information, so intermediaries and centers are born. This centralized system has problems such as high cost, low efficiency, value dispersion, "information islands" and insecure data storage. However, due to technical and environmental factors, this system continued to operate for many years until the emergence of the Internet. The starting point of the first generation of the Internet is the TCP/IP protocol, which is an open code that implements a unified format for peer-to-peer transmission of information by all nodes on the network, and brings the basic values ​​of freedom and equality required by a global unified market into programmed, protocol-based, and reliably Execution. The Internet eliminates valueThe low-cost and high-cost intermediate chain decentralizes the low-cost and high-efficiency global information transmission.
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However, the first generation of the Internet did not solve the problem of information credibility. Activities that can be decentralized on the Internet must be activities that do not require credit endorsement, and activities that require credit guarantee must be activities involving centralized third-party intermediaries. Therefore, Internet technology that cannot establish global credit has encountered great obstacles in its progress - people cannot participate in any value exchange activities on the Internet in a decentralized manner. To realize value exchange, people still need third-party intermediaries based on credit (such as banks, clearing agencies, exchanges). The global centralized credit system still has problems such as high operating costs, low efficiency, and vulnerability to attacks and damage. For example, each country's legal currency has different credit values ​​and incompatible clearing systems, which adds a lot of cost to global trade.
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Therefore, what the second generation Internet must break through is: how to establish global credit in a decentralized manner? Let...>>

Question 2: What is blockchain? What does it mean in layman’s terms? What is China’s attitude towards blockchain? What can blockchain do? Blockchain, a great technology that accompanied the birth of Bitcoin, is currently being used in the financial field to significantly reduce transaction costs and improve efficiency, which is enough to excite Wall Street. However, this is just the tip of the iceberg. Its potential applications are very broad and will subvert every aspect of our lives in the future.
Blockchain is an important concept of Bitcoin. It is essentially a decentralized database and serves as the underlying technology of Bitcoin. One of the most basic characteristics of Bitcoin is decentralization. In recent months, financial giants have gradually begun to pay attention to Bitcoin's technology and used it in non-monetary fields, such as stock trading, election voting, etc. (1) Art Industry
Artists can use blockchain technology to declare ownership and issue numberable, 100% edition works in digital form for any type of artwork. It even includes a marketplace where artists can buy and sell through their website without the need for any intermediary services.
(2), Real estate industry
Use blockchain technology to solve various problems faced by everyone involved in real estate, including the naming process, land registration, agency intermediaries, etc.
(3), Insurance Industry
The financial industry has always been the most sensitive to advanced technology. Traditional banking and securities industry giants have been involved in the booming blockchain venture capital investment since 2014, with the total global investment reaching US$1 billion within two years.
(4) P2P wallet
Personal assets can be traded through this P2P wallet in the future without going through any central institution, such asSuch as Bitcoin.
Most blockchains are in their infancy, mainly overseas. There are very few good domestic blockchain projects, so it is not recommended for any non-professionals to invest in blockchain projects. If you are very interested in blockchain technology and have a technical or financial background, it is recommended that you consider starting a business in this area. In terms of the blockchain protocol system, the lowest layer is the underlying technology of the blockchain, including the technical protocols of the blockchain, as well as some platform routing and basic algorithms; in the middle layer, some application interfaces and some credentials must be solved Issuance and verification, including some industry platform services, big data analysis, etc. This is a very rough classification, and there should be more detailed classifications; the top ones are some applications of blockchain, including finance Some applications and some applications in other aspects, the Internet of Things and so on.
Introduction to Bubi Blockchain
Bubi Blockchain has been focusing on the research and development and innovation of blockchain technology and products since its establishment. It has a number of core technologies and has achieved substantial results in many aspects. Radical innovation has resulted in a number of core technological achievements, such as: mathematically provable distributed consensus technology, fast large-scale ledger access technology, multi-chain general ledger technology that supports business expansion, and interconnection technology between heterogeneous blockchains. wait. On April 25, "Gege Points" introduced the concept of blockchain into the points system, jointly opened it up with multiple parties, issued and redeemed points, and promoted the circulation of points. Each cooperative institution can jointly participate in transaction verification, ledger storage, and real-time settlement; the third-party payment platform of the enterprise points issuer makes the entry and exit of points more flexible. Bubi has developed its own basic blockchain service platform, which has been applied in equity, supply chain, points, credit and other fields. Bubi has been committed to building an open value circulation network with decentralized trust as the core, allowing digital assets to flow freely.
A simple understanding of blockchain is a technology underlying Bitcoin, which is also a peer-to-peer electronic cash system that can realize peer-to-peer value delivery. We should distinguish between Bitcoin, Bitcoin blockchain, blockchain and blockchain. Blockchain technology and other concepts. In countries with relatively developed finance in the past, finance and blockchain technology have a long history, and the legislation of digital currencies and blockchain networks is also very important. With the advent of the financial era, large financial institutions are studying blockchain technology. They have their own teams and conceptual technologies. Slowly, banks in various regions are also participating in digital currency discussions. The application and support of this technology are not only that. The influence of blockchain on enterprises is also huge. For larger domestic enterprises, Bubi Blockchain is also used in various equity, supply chain, points and other fields. Major domestic financial institutions and enterprises have taken a fancy to the new industry. value, they have developed their own blockchain platforms, and blockchain has instantly become a new innovative industry in China. In terms of overseas internationalization, the United States has already obtained 15 blockchain patents at the end of last year compared to China. Blockchain financial applications are entering a new stage in an all-round way. Various applications will become more and more in-depth, and related changes will also become more and more profound. Become more and more popularThis project will also form a huge new trend... >>

Question 3: What is blockchain technology? What exactly is blockchain? What is blockchain? 1. Data blockchain is an important concept in the Bitcoin financial system. It records transaction record data on the entire Bitcoin network, and these data are shared by all Bitcoin nodes. Through the data block, we can query each transaction record. A look at the history of Bitcoin transactions. 2. Example: There are three persons A, B, and C. All funds of A and B are kept by C. And every financial transaction must be recorded by C. Now assume that A and B each have 1 million in custody of C. Then: A spends 80,000 yuan to B, then C's account book record will subtract 80,000 yuan from A's name, and add 80,000 yuan to B's name. If B transfers 50,000 yuan to A, C will add 50,000 yuan to A's name and subtract 50,000 yuan to B's name in the account book. A spends 50,000 yuan to B, then C's account book record will subtract 50,000 yuan from A's name, and add 50,000 yuan to B's name. 3. The role of the data blockchain is similar to that of C’s account record book. It records the user’s ownership of Bitcoin and the records of all users’ Bitcoin transactions. It’s just that this “account record book” is recorded by the mining software of every Bitcoin miner on the network. If a Bitcoin transaction is confirmed by the data blockchain, the relevant information will be recorded in the data blockchain. Bitcoin’s “account record book” is called the data blockchain. All data blockchains on the network form Bitcoin’s distributed network database system. 4. The essence of data blockchain technology is a decentralized and distributed structure of data storage, transmission and certification methods. It uses data blocks to replace the current Internet's dependence on central servers, so that all data changes or transaction items are recorded. On a cloud system, the self-certification of data during data transmission is theoretically realized. In a far-reaching sense, this transcends the traditional and conventional information verification paradigm that relies on a center and reduces the cost of establishing global "credit." This point-to-point verification will produce a "basic protocol", a new form of distributed artificial intelligence, and will establish a new interface and shared interface for human brain intelligence and machine intelligence.

Question 4: What is blockchain: This explanation of blockchain is more understandable. Blockchain refers to a technology that collectively maintains a reliable database through decentralization and trustlessness. plan.
In layman’s terms, blockchain technology refers to a way for all people to participate in accounting. There is a database behind all systems. You can think of the database as a big ledger. Then who will keep this ledger becomes very important. Currently, whoever owns the system keeps the accounts. Tencent keeps the accounts of WeChat, and Alibaba keeps the accounts of Taobao. But now in the blockchain system, everyone in the system has the opportunity to participate in accounting. If there are any numbers within a certain period of timeAccording to changes, everyone in the system can do accounting. The system will judge the person who has the fastest and best accounting during this period, write the content recorded by him into the ledger, and send the content of the ledger during this period to the system. Back up all others within the . In this way, everyone in the system has a complete ledger. In this way, we call it blockchain technology.
Blockchain technology has become the darling of the financial community in China and has become a hot topic. Domestic Puyin Group has launched Puyin, a tea-based digital currency.

Question 5: Explain in an easy-to-understand manner what blockchain is. Blockchain can be understood as a database system in a sense. The development of blockchain can be divided into 1.0 and 2.0
1.0 is represented by Bitcoin, and its main application is virtual currency or digital currency application. The blockchain at this time can only be used for simple digital currency transactions.
2.0 is represented by the now popular ethereum (Ethereum) and the upcoming hyperledger. The blockchain at this stage can not only meet the corresponding digital currency transactions, but also use smart contracts to customize currency or asset transactions. If we use the database analogy, the emergence of smart contracts can be understood as allowing users to define functions or stored procedures in the database and call and execute them.
Different from traditional databases, the blockchain introduces consensus mechanism, incentive mechanism, p2p (network), hash and other specific elements, making it open, decentralized and non-tamperable. characteristic.

Question 6: What is blockchain? Can anyone explain it in simple terms? Blockchain is the underlying technology of Bitcoin. It is like a ledger that records all transactions. It is decentralized. What is decentralization? For example, when you buy something on Taobao, you place an order and pay it to Alipay. Alipay will not transfer the money to the seller until you receive the goods. Alipay is the third party in that center. Without it, it means decentralization, just like buying things offline. If you pay with one hand and get the goods with the other hand, there is no third party.
The blockchain itself is a series of cryptographically related data blocks generated.
Look carefully to see if it looks like a ledger. The pieces one by one are blocks, and connected together they are the blockchain.
Many companies are developing this technology, including ours, and its prospects are incredible. For details, you can go to our official website and hope to adopt it, thank you

Question 7: What is blockchain technology? What is blockchain? How to explain the concept of blockchain? People in each industry have different understandings, and relevant explanations are gradually emerging due to more and more real-life applications. With the popularization of this blockchain technology, related results are becoming more and more popular.Come bigger. If we want to understand this technology, we must have an in-depth understanding of reality.
In the past six months, the concept of blockchain has gradually become popular in China, and a blockchain whirlwind has taken off in the financial circle. Blockchain has attracted the attention and favor of more and more people in the industry due to its unique technical advantages. Blockchain technology, which is decentralized (or multi-centered), highly transparent, cannot be tampered with, and has no single point of failure, is entering the field of vision of financial institutions and enterprises. It has at least been used in digital currency, payment exchange, registration and settlement, Digital assets, traceability and anti-counterfeiting, supply chain, Internet of Things and many other fields have moved from theoretical discussions to practical applications.
"Blockchain" was first introduced with "Bitcoin" released in early 2009. Blockchain has become the basic protocol and technical application for the launch, recording and circulation of Bitcoin. Although Bitcoin has been controversial since its inception and cannot even be regarded as a "currency" by governments and monetary authorities, the blockchain technology used in Bitcoin has been recognized by governments, including governments and monetary authorities. extensive attention.
Why has blockchain become a rapidly heating up hot technology and topic?
The most important of these may be that the launch of Bitcoin based on blockchain technology has opened up a new relationship with traditional society ( The exploration and attempt of new technologies and rule systems such as Internet user identity verification, wealth confirmation, transaction records, notarization and verification, which have little connection with offline) and are completely applied to the online world (online), provide people with the opportunity to adapt to the Internet society. Development provides alternative paths and unlimited imagination.
Judging from its application in Bitcoin, blockchain is a set of new network blocks (BLOCK, also called communities) formed by combining encryption technology with the Internet. Bitcoin configuration, netizen identity verification, and Bitcoin (value) confirmation formed by mining, Bitcoin transaction records, and extended encryption of Bitcoin cross-block flow (value transfer) (added block and transaction time identification, etc. Internet protocol rules and accounting (Ledger) system including block chain, full encryption, mutual authentication, etc., including factor) registration and verification. Precisely because Bitcoin is not a substitute for offline legal currency, but is issued and managed by non-legal currency authorities, mainly imitating the model of gold, and is completely new and decentralized protected and supported by basic Internet protocols and strict encryption technology. Internet currency (virtual currency) has thus formed a new set of currency rules and systems that are different from and not subject to real social laws, and can be bought, sold or exchanged with legal currency. It has been more than 8 years since Bitcoin was launched. There has been no record of funds or user information being stolen. Its security has been verified, and its efficiency and cost of fund settlement also have obvious advantages. This has made people's confidence in the blockchain technology used by Bitcoin continue to increase, and people have become increasingly aware that although blockchain is a technology pioneered and applied by Bitcoinand protocols, but blockchain is not the same as Bitcoin, and its application will never be limited to Bitcoin. The application of blockchain can be decentralized or centralized; it can be a public chain model or a private chain model. Therefore, after Bitcoin, blockchain technology is also constantly developing and innovating, and constantly exploring new application fields, especially in the financial field.
The reason why blockchain is valued highly by more and more people is because the development and widespread application of the Internet have caused more and more economic exchanges and transaction activities to be conducted online, and the online world (or online world) society) is rapidly expanding, enriching and active, and online transactions must solve the efficiency and security protection issues of the parties' identity verification, value verification, transaction records, inspection and verification, etc., and require strict intermediaries and agreements (rules or constitutions). In this regard, traditional thinking and customary practices are to follow the development trajectory of the transfer of offline transactions to online and push the common rules and practices of the real (offline) society to the online (network) society. However, in practice, it is increasingly It is difficult to adapt to the needs of online transactions.
For example, for the identity verification of the parties, the natural choice is to use the information on the identity documents protected by the laws of various countries as the basis, and then add account or transaction passwords, as well as facial recognition, iris, fingerprints and other biometrics to conduct online transactions. Verification, but this method first makes the citizen identity information in the cross-border interconnected online world subject to the administrative jurisdiction of real society... >>

Question 8: Easy to understand Explain clearly what is blockchain. The English name of blockchain is Blockchain. Block literally means block, block, and chain means chain, chain. Therefore, together they are translated into blockchain.
1. Use cryptography technology to encrypt and decrypt so that records cannot be tampered with. Common blockchain encryption methods include hash algorithm, RSA algorithm, elliptic curve algorithm, etc.;
2. The huge amount of calculation needs to be supported by a reasonable reward mechanism. Because every transaction must be recorded, Bitcoin’s blockchain has more than 60 gigabytes so far. Every new transaction requires confirmation of the information related to the trading account to ensure that the transaction is valid. The huge amount of calculation requires a computer with powerful computing power to complete.
In order to encourage the participation of powerful computing power, Bitcoin provides two rewards: one is to issue a certain number of bitcoins to these computers every day; instead, all transfer fees are awarded to these computers. (The technical term for these computers is "mining machines", and the people who hold the mining machines are called "miners".)
Biying China is working hard on asset digitization and launched the digital currency crowdfunding platform Biying China.

Question 9: What is the so-called "blockchain"? The blockchain itself is a tool called decentralization and trustlessness, such as your academic qualificationsWhen you graduate from college, the current practice is to have a certificate recognized and issued by an authoritative agency as your certificate. This setting is more troublesome, because this is a piece of paper, and paper can be forged, so there will be various gaps. The issuing authority is also a person, and there will be various gaps in the middle. As long as it is related to people, whoever There are various possibilities related to media. The blockchain provides a great opportunity. As soon as you graduate, you will have a record on the blockchain. No one can change this record. This thing exists objectively. You, as a physical existence , and then as a data existence, the blockchain was born. In this case, anyone who wants to check where you graduated can easily solve the problem. This is similar to the big data often involved in social networking (WeChat) and payment platforms (Alipay, Yibao).

Question 10: What does blockchain mean? Regarding blockchain, I think you have already seen the concept on the Internet. Let me explain it based on my understanding!
First, let’s talk about its characteristics: 1. Openness and transparency 2. Decentralization 3. Anonymity 4. Information cannot be tampered with, eliminated 5. No trust cost
Blockchain is like a public ledger , everyone has the right to record and read it, and everyone will jointly supervise to ensure its accuracy, and the recorded content will be saved permanently and can only be added but not deleted! However, as the number of blocks continues to increase, costs will increase and efficiency will decrease. (I’m not sure whether technology can be used to make up for this. I hope someone who understands technology can point it out.)
Blockchain is divided into public chain, private chain, and alliance chain. Public chain: accessible to everyone, everyone has read and write permissions, completely open, transparent and decentralized. Private chain: Open to individuals or institutions, in which the owner of the private chain can set various permissions to make it partially centralized. Alliance chain: Open to specific organizations or groups, it is also "partially decentralized". According to the ledger at the beginning, members can view and transact, but cannot record and confirm bills, or require permission from the alliance. (The latter two do not have cost and efficiency issues)
Regarding blockchain, countries have begun to recruit talents in this area. For this, you can search online for "Central Bank Recruiting Digital Currency R&D Personnel". In addition, you can increase your understanding of blockchain by understanding its existing applications. What we usually refer to generally refers to public chains. Currently, those used abroad include Bitcoin, Ethereum and other domestic blockchains. Chain
1. Open and transparent: Every piece of data is verified by everyone and can be viewed by everyone at any time.
2. Decentralization: For example, when we shop on Taobao, we conduct transactions through the intermediary Taobao, and blockchain allows both supply and demand parties to directly contact each other for direct transactions through blockchain technology.
3. Anonymity: No personal privacy information is required to complete transactions on the blockchain, only your unique alphanumeric signature is required.
4. Information cannot be tampered with or deleted: Once the data has been verified and recorded, no one has the authority to modify it, let alone delete it!
5. No trust cost: The trust crisis in reality will not appear in the blockchain. Transactions in the blockchain do not require you to trust the other party. Only when both of you have enough "digital assets" to trade can it be carried out, and Under the supervision of the entire network, transactions will not be broken. If you have no idea about the cost of trust, just think about how many intermediaries there are in your city, or just think about Jack Ma, and you will know how big the cost of trust is.
I am still learning more about blockchain. I am Li Ailin. If you have any questions, you can discuss and learn together!