把区块链连接起来的是什么,把区块链连接起来的是什么软件

区块链是一种分布式数据库技术，它可以让用户以可靠的方式存储和分享数据。区块链的运行需要一些特定的软件，这些软件可以将区块链连接起来。

区块链软件的主要功能是将区块链的节点连接起来，以便在网络上实现数据交换。这些软件还可以实现身份验证、数据存储和安全性等功能。

区块链软件的最大优势在于它可以提供安全可靠的网络环境，使用户可以在网络上安全地存储和分享数据。区块链软件还可以提供稳定的网络性能，使用户可以在网络上实现高效的数据交换。

此外，区块链软件还可以提供跨平台支持，使用户可以在不同的操作系统上使用区块链技术。同时，区块链软件还可以支持多种编程语言，使用户可以使用不同的编程语言来实现区块链技术。

总之，区块链软件是一种可以将区块链连接起来的软件，它可以提供安全可靠的网络环境，提供跨平台支持和多种编程语言支持，以及实现身份验证、数据存储和安全性等功能。它是当今社会的重要技术，可以为用户提供可靠、安全、高效的数据服务。

❶ Zihang Shuobi: Newbies in the currency circle don’t even know what “blockchain” is

First of all, I believe that before everyone understands blockchain, You must have heard of Bitcoin first, right? Because we all know that the first people to hold Bitcoin made money!

But one point of view is wrong: What point of view? Many people believe that Bitcoin is the blockchain. In fact, Bitcoin is just a type of blockchain asset, and it is the earliest blockchain asset. The concept of blockchain comes from Bitcoin. The reason why Bitcoin can be so arrogant and exist independently without relying on any organizational structure is because the bottom layer is supported by blockchain technology.

Just like our mobile phones can run, the bottom layer is supported by Android or ios system. So what kind of technology is blockchain? Why is it so powerful? Can make Bitcoin so valuable! The English name of blockchain is block chain, and block means block. You can imagine that if you fall or bump into something, you may have bruises, right? The blocks in the blockchain contain some The data block of transaction information, something, may have a bruise, right? The block in the blockchain contains some data blocks of transaction information, and the chain in the blockchain connects the data blocks. , this is like a big ledger. Anyone who uses this blockchain ledger can directly query any transaction information arranged in order, and it is difficult to tamper with. So how does it do it?

Let’s give a simple example based on local materials: There are now a total of 100 readers, who are linked through the Internet to form a blockchain network system. Please pay attention! We are not reading this article now, but a blockchain network system. In this system, I ask one of the people, say this person is called panda, to borrow 10 yuan, and then panda transfers the 10 yuan to me in the network system. Then my account or wallet increased by 10 yuan. As for panda, who lent money to Bibi, his account lost 10 yuan. After this transaction is completed, other people in our blockchain network system, after seeing it, will take a small notebook and record the matter. My account will increase by 10 yuan, and panda's account will decrease by 10 yuan.

That’s not right, then what are you doing when you are full and have nothing to do? Why should we record these small and medium-sized "bad things"? It’s because the network system will pay wages to those who participate in recording. As long as she records it once, the system will automatically reward tokens that are common in the network system. As long as there is money, everyone is willing to do anything. In reality, there are actually countless individuals in a blockchain system, which means that our group not only has only 13 people, but they don’t know each other yet, but they can all interact with each other on the system chain.Propagate and record the transactions in the blockchain network in order. Suppose that one day I want to default on the debt and do not plan to pay back 10 yuan to panda. Then I must convince 51% of everyone in the blockchain network system. Above, ask them to delete or tamper with the record.

If it were replaced by real-world computing power, it would be almost impossible and would require huge costs. This is the characteristic of blockchain technology - decentralized collaboration, transaction data is difficult to tamper with, and transaction information is transparent and queryable. Its main function is to solve two problems that are difficult to solve on the Internet - one is trust and the other is value transfer.

The so-called trust, according to the above scenario, is that I may default on the loan and take the money and run away; the value transfer is: my borrowing account should increase by 10 yuan, while the panda account becomes -10 Yuan money exchange. Then we may have questions again, isn't Alipay and WeChat payment solved now? Wouldn’t it be enough to just confirm the account and transfer the money directly and send a red envelope? Yes, Alibaba and Tencent exist based on solving these two problems. but! Thinking about it from another perspective, if a mere blockchain technology can solve these two problems now, can huge and complex institutions like Alibaba and Tencent be abandoned?

Rebuilding a new network system to apply it to more fields is on the way.

Because, the final conclusion is: this technology builds the value of Bitcoin, then this technical logic can also be used in many other fields. Maybe one day you will be happy to discover - Huh? I am now using a product from a certain blockchain technology company! ? Just like many years ago, one day you unknowingly used QQ and started to learn to watch videos and play games online. Having said that, what does it mean that Bitcoin is an early asset of the blockchain? Why does it add value? According to the scenario mentioned above, the so-called tokens are the tokens issued by the system to everyone in the group by participating in accounting. These tokens are blockchain assets. (The behavior of everyone participating in bookkeeping is commonly known as mining.) Bitcoin itself is the value token of the Bitcoin blockchain network system

Then why is it Will it add value? Because its quantity is limited, the number of issuances is determined at one time from the beginning of the establishment of the network system and will never be issued additionally.

So, in the future, the more people participate in accounting in a certain blockchain network, the number of people who get it will gradually decrease, and value-added will become inevitable. This is like Alibaba's early stocks. After the Alipay application is launched, the more people participate in using it, the more it is needed, and Alibaba's stocks will inevitably increase in value.

Of course, there are currently many projects applying blockchain technology, but most of them have not found a landing scenario. However, the more people believe that a project created using blockchain technology will be used in the future. required, then this itemThe price of the destination token will be pushed up. Therefore, there are far more investment opportunities in blockchain assets than in the ordinary stock market. If you invest in a value project, then it may skyrocket to over 130,000 per Bitcoin a few years ago, to a little over 40,000 now. In other words, you don’t need to consider any investment opportunities in other varieties. A few years ago, if you bought Bitcoin with your eyes closed and then ignored it and just went about your own business, the return on this investment would be 100 times in one year.

Profit! How much is that right? The opportunities in this industry are far more than these. Almost all currencies will have the opportunity to rise or fall sharply, but this range of rise and fall is not like the 10% daily limit in stocks. Blockchain assets disappear from trading around the world 24 hours a day, and It is T+0, and there is no limit on the increase or decrease. The price of any variety is completely affected by the limit on the increase or decrease and the pursuit of funds. Most varieties have experienced an increase of more than 100% throughout the year. High This kind of investment opportunity is also difficult to find in other markets.

The currency circle is like Tai Chi. Only when a person is in a state of tranquility can he feel the opponent's strength and intention in the push hand for the first time. What I felt at the time was that only by clearing myself could I receive information to the greatest extent and fastest, and make correct judgments and responses. The same is true in the currency circle.

This material is for learning reference only and does not constitute buying or selling advice. Buy and sell based on it at your own risk!

❷ How are the blocks in the blockchain connected?

Experts said that the blockchain can be commonly understood as a distributed public ledger, which is composed of various Blocks are connected into a chain. In traditional accounting systems, accounting rights are in the hands of the central server.

On the "ledger" of the blockchain, every point in the chain can record information on it, forming a point-to-point accounting system. Therefore, blockchain technology is considered a decentralized technology.

For example, in a village of 100 people, Zhang San bought a cow from Li Si and paid him 10,000 yuan. In the past, he had to rely on the middleman Zhao Liu to transfer his 10,000 yuan to Li Si.

With the blockchain system, Zhang San can directly record his 10,000 yuan into Li Si’s account book, and at the same time, the transaction information will be transmitted to the whole village, that is, the entire blockchain system. Make the information visible to 98 other people. The system records the entire transaction process, which has the advantage of traceability and prevents problems such as the loss of Zhao Liu's account book or Li Si's refusal to acknowledge the account.

(2) What connects the blockchain is extended reading

The concept of blockchain was first proposed by Satoshi Nakamoto in 2008 , and in the years that followed, blockchain became a core component of the electronic currency Bitcoin: serving as the public ledger of all transactions. By leveraging peer-to-peer networks and distributed timestamp servers, blockchain databases cansufficient for autonomous management.

The blockchain invented for Bitcoin made it the first digital currency to solve the problem of repeated consumption. Bitcoin's design has become a source of inspiration for other applications.

❸ What can blockchain open up

Blockchain technology can open up the information channels of judicial, notarization, auditing, and arbitration institutions.
From the source of data to the fixation and encryption of evidence, every node in the entire data chain has evidence that can be obtained at any time, ensuring the tamper resistance and credibility of the data, and achieving the result that the evidence information has legal effect.
Blockchain is a chain composed of blocks one after another. Each block stores a certain amount of information, and they are connected into a chain in the order in which they were generated. This chain is saved in all servers. As long as one server in the entire system can work, the entire blockchain is safe. These servers are called nodes in the blockchain system, and they provide storage space and computing power support for the entire blockchain system. If you want to modify the information in the blockchain, you must obtain the consent of more than half of the nodes and modify the information in all nodes. These nodes are usually in the hands of different subjects, so it is extremely difficult to tamper with the information in the blockchain. thing. Compared with traditional networks, blockchain has two core characteristics: one is that data is difficult to tamper with, and the other is decentralization. Based on these two characteristics, the information recorded in the blockchain is more authentic and reliable, and can help solve the problem of people's mutual distrust. Blockchain is a chain data structure that combines data blocks in a sequential manner in chronological order, and is a cryptographically guaranteed distributed ledger that cannot be tampered with or forged. Generalized blockchain technology uses block chain data structures to verify and store data, uses distributed node consensus algorithms to generate and update data, uses cryptography to ensure the security of data transmission and access, and uses smart contracts composed of automated script codes. , a new distributed infrastructure and computing paradigm for programming and manipulating data.

❹ What is the cross-chain technology of blockchain?

Explain in layman’s terms: If we assume that the database is a ledger, reading and writing the database can be regarded as a kind of accounting Behavior, the principle of blockchain technology is to find the person with the fastest and best accounting within a period of time, let this person do the accounting, and then send this page of information in the ledger to everyone else in the entire system. This is equivalent to changing all the records in the database and sending them to every other node in the entire network, so blockchain technology is also called a distributed ledger (Bihui Digital Currency Trading Platform)

❺ In the area What are side chains and main chains in blockchain

Main chain: an officially launched, independent blockchain network. It can be said that the entity that stores data in the blockchain is generally considered to be the main chain network itself. For example, BTC mainnet, ETH mainnet and EOS mainnet are all main chains.

Sidechain: First of all, the essence of the sidechain protocol is a cross-blockchain solution. Simply put, through this solution, data information can be stored in twoTransfer between blockchains. Sidechains were originally proposed to enable the transfer of Bitcoin and other digital assets between multiple blockchains.

In layman’s terms, side chains are like pathways that connect different blockchains to each other to achieve the expansion of the blockchain. The side chain is completely independent of the main chain, but the two ledgers can "interoperate" and achieve interaction.

Sidechain protocol - Sidechain protocol refers to (taking Bitcoin as an example): it allows Bitcoin to be safely transferred from the Bitcoin main chain to other blockchains, and from other blockchains A protocol for securely returning to the Bitcoin main chain. The same goes for exchanging Bitcoin for Ethereum or other blockchains. So, why do we need side chains, or what are the benefits of side chains?

The functions that the main chain lacks are provided by the side chain.

For example, the Bitcoin network does not have the function of smart contracts, but this function can be realized through side chains.

If the operation efficiency of the main chain is low, some functions of the main chain can be transferred to the side chain for implementation.

For example, the transfer speed of the main chain is very slow and there is no way to meet daily payment needs. We can develop the Lightning Network as a side chain to meet daily payments. Also due to low performance, Ethereum cannot support large-scale commercial-level DAPPs (decentralized applications), which can be achieved through side-chain development.

If you put aside the technical rigor, you can use another simpler way to understand the side chain. All networks that provide support or services for the original main network can be called side chains. No need to Care about whether this side chain uses blockchain technology. For example:

Third-party payment network (Alipay/WeChat), you can think of the bank network as the main chain, and third-party payment is a side chain.

Cryptocurrency trading considers free networks such as Bitcoin and other virtual currencies as the main chain, and the exchange can be regarded as a side chain.

RSK and Loom are separately developed side chains for the Bitcoin and Ethereum main chains respectively.

In the first application, the main chain and side chain are centralized

In the second application, the main chain is decentralized and the side chain is Centralized

The third application, the main chain is decentralized, and the side chain is also decentralized. With the deepening of blockchain technology, we can see human value exchange activities , will slowly transition from the first application to the third application.

The Xueshuo Innovation Blockchain Technology Workstation under Lianqiao Education Online is a school planning and construction development project of the Ministry of Education of China. The "Smart Learning Workshop 2020-Master's Degree Innovation Workstation" launched by the center is the only approved "blockchain technology professional" pilot workstation. The professional base provides students with diversified growth paths and promotes professional degree research, production and research.Combined with the reform of training models, we will build an applied and compound talent training system.

❻ What structures does the blockchain consist of

The blockchain is a chain storage structure formed by interconnecting blocks. The blocks are the data elements in the chain storage structure. The first block is called the genesis block.

General blocks include block header and block body. The block header contains the identification information of each block, such as version number, hash value, timestamp, block height and other information; the block body mainly contains specific transaction data.

❼ What is peer-to-peer distributed technology in blockchain?

“A network-based computer processing technology, corresponding to centralized. Since the performance of personal computers has been greatly improved The improvement and popularization of its use make it possible to distribute processing power to all computers on the network. Distributed computing is a concept opposite to centralized computing, and the data of distributed computing can be distributed over a large area."

❽ Components of Blockchain

The components of Blockchain are as follows:

Openness: The system data of Blockchain is It is open and transparent, and everyone can participate. For example, when renting a house, you can know the previous rental information of the house and whether there have been any problems. Of course, some personal private information is encrypted.

Autonomy: The blockchain adopts consensus-based specifications and protocols (such as a set of open and transparent algorithms), and then each node operates according to this specification, so that everything is completed by machines , there is no human element. This changes trust in people to trust in machines, and any human intervention has no effect.

The information cannot be tampered with: If the information is stored in the blockchain, it will be saved permanently and there is no way to change it. As for the 51% attack, it is basically impossible to achieve.

Anonymity: There is no personal information on the blockchain, because it is all encrypted and is a string of letters and numbers, so your various ID card information and phone number will not appear. Numbers are being resold.

❾ How do blocks connect into a blockchain?

How do blockchains ensure that they are connected in sequence? Blockchain is composed of a series of blocks generated using cryptographic algorithms. Each block is filled with transaction records, and the blocks are connected in order to form a chain structure, which is the blockchain ledger. Taking Bitcoin as an example, when miners generate a new block, they need to calculate the new hash value and random number based on the hash value of the previous block, the new transaction block, and the random number. That is to say, each block is generated based on the data of the previous block. This mechanism ensures the uniqueness of the blockchain data. Because subtle changes in transaction records will completely change the result of the hash value, miners cannot cheat when competing for computing power. Each miner must wait for the previous block to be generated before starting calculations based on the data of the previous block. Random numbers that meet the conditions ensure the success of miningfairness.