区块链陈俊宏,区块链之城
，每段话之间加上换行符今天，我们将聚焦在区块链陈俊宏，区块链之城三个关键词：区块链技术、区块链经济和区块链政策。
区块链技术是一种分布式账本技术，它使用密码学和数字签名来确保数据安全性，并使用共识机制来确保数据的可靠性。它是一种去中心化的网络，可以跨越不同的组织，以更有效地管理和跟踪数据。它可以用来记录和管理货币、法律文件、数字资产、物流信息、身份信息等。
区块链经济是一种新型的经济模式，它将区块链技术应用于商业活动，以提高效率、降低成本、提高透明度和信任度。它是一种去中心化的经济系统，可以支持跨境交易、去中心化的金融交易、去中心化的资金管理等。它可以改善传统经济体系的缺陷，提高经济效率，促进普惠金融发展，改善贫富差距，建立更加公正、公平、公开的经济环境。
区块链政策是指政府制定的关于区块链技术及其在经济和社会中的应用的政策。它是一种系统性的政策，旨在促进区块链技术的发展和应用，推动区块链技术在社会经济发展中发挥更大的作用，促进经济的健康发展。它的目标是支持创新，促进行业发展，提高行业标准，提高社会效率，提升经济发展水平，保护消费者权益，提高社会福祉。
区块链陈俊宏和区块链之城推动了区块链技术、区块链经济和区块链政策的发展，为社会经济发展注入了新的动力。它们将推动区块链技术的有效应用，促进行业发展，提升社会效率，改善经济环境，改善社会福祉。
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㈠ Does weex need an invitation code?
Is the weex exchange reliable? The latest news on the weex exchange - CF10 blockchain...
WEEX on November 18 The business of WEEX Exchange includes spot trading, contract trading, and OTC trading. In order to ensure the safety of user funds, WEEX has set up a security margin pool of 1,000 BTC for users and publicized the address of the guaranteed fund pool.
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April 24 and April 21, 2016, Alibaba announced at the Qcon conference that the cross-platform mobile development tool Weex is open for internal testing and invitations to download.
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㈡ Area The main roles involved in blockchain electronic invoices are
The roles involved in blockchain electronic invoices are divided into service providers and service users. Service providers include consensus nodes, supervision nodes, and business nodes; service users Including the financial department, the invoicing unit, the invoice collector, the invoice user and the regulatory department
(iii) What is the name of Radar Coin?
The name has not been changed. Radarcoin has not changed its name. Radar Coin is a digital currency launched by China's Radar Exchange. It uses blockchain technology and aims to provide users with safe, efficient, and low-cost digital asset trading and storage services. At present, Radar Coin has been listed on multiple digital currency exchanges and has received a certain degree of market recognition and user support. If there is any latest news and developments about Radarcoin, it is recommended to check the official website or other trusted channels for information. It should be noted that due to the rapid changes and uncertainty in the digital currency market, investors need to carefully assess their risk tolerance and investment goals when investing in Radarcoin or other digital currencies, understand the characteristics and market risks of digital currencies, and choose Appropriate investment strategies and trading platforms should be used to avoid blindly following trends or impulsive trading to avoid unnecessary losses. In addition, with the continuous changes and strengthening of domestic and foreign regulatory policies, the digital currency market may also face more regulatory and compliance risks, which also requires investors to pay close attention to changes in relevant policies and regulations and reasonably avoid market risks. Therefore, investors should choose companies with strength and good reputation.For a good digital currency trading platform, pay attention to protecting the security of your own accounts and digital assets, and manage risks carefully to achieve better investment results. In short, Radarcoin is a digital currency, and its price and market performance will be affected by a variety of factors, including market demand, policy changes, and the quality of the trading platform. Investors should understand the risks and characteristics of the digital currency market and choose appropriate investment strategies and trading platforms to achieve better investment results.
㈣ Four major highlights in the blockchain field in 2022 | Interface Prophet⑯
There is a core proposition about the "Impossible Triangle" in the blockchain field, namely security sex, performance and decentralization. This proposition is the foundation of the evolution of blockchain technology. Whether it is Bitcoin, Ethereum, or the vigorously developed alliance chain, it is essentially a trade-off between the above three elements.
As Ethereum’s core position among blockchain developers is determined, performance has gradually become a bottleneck for its development. Therefore, in the foreseeable 2022, improvements in performance and efficiency will be a long-term and critical issues.
Based on the Ethereum ecosystem, to improve performance within the limits of the "Impossible Triangle", the current path has been clear. The first one is the Layer 1 level, that is, other public chains share the burden of Ethereum. Data pressure.
One of the major trends in 2021 is the increased use of Layer 1. The space is currently dominated by Solana, Avalanche, Terra and Binance Smart Chain, each with a growing ecosystem. The value has exceeded 10 billion US dollars.
The second type is Layer2, which is based on the Ethereum main network, but transfers settlement to the second layer network to improve efficiency. This is what Ethereum is working on, Layer 2 is often called rollups because they "aggregate" or bundle transactions together and execute them in a new environment before sending updated transaction data back to Ethereum.
As for the most critical data verification link of the blockchain, Layer2 currently has two technical solutions, one is called "Optimistic rollups" and the other is called "ZK Rollups". Both technical routes have teams developing corresponding networks and have ecological support, such as Arbitrum, which chooses "Optimistic rollups", and dYdX, which chooses "ZK Rollups".
Between Layer1 and Layer2, there is another solution called "side chain", which is partially compatible with the Ethereum main network, but does not belong to Layer2. They are specially used to deal with the excess of Ethereum. capacity, rather than competing with Ethereum as a whole, and hosting Ethereum applications in a complementary mannersequence.
Starting with DeFi, which currently has the most active users, according to statistics from DeFi Lama, the amount of DeFi locked on Ethereum has exceeded 100 billion US dollars, and other public chains such as BSC, Solana, and Avalanche have also Attracting nearly US$49 billion in funds, it has become a very active financial scene.
Although the data of many public chains is quite large, different chains are like data islands, and assets on different chains cannot be freely exchanged. In addition, many emerging public chains are not as developed as Ethereum and lack many foundations. Facilities such as stablecoins, NFT games, and more.
Therefore, assets on other chains need to be introduced into one's own public chain through cross-chain. Among the currently commonly used cross-chain methods, in addition to cross-chain currency withdrawals in centralized institutions such as exchange wallets , the most common ones are various decentralized cross-chain asset bridges.
For cross-chain bridges, the most important issue is how to reach consensus, which is largely related to the security of investors’ assets under custody. For now, the security of centralized exchanges Cross-chain bridges are the most convenient type of cross-chain bridge for users. However, cross-chain bridges in centralized exchanges have the problem of single points of failure. In addition, current cross-chain bridges are gradually moving towards non-custodialization. Development is to further protect the security of users’ assets.
The full name of DAO is "Decentralized Autonomous Organization", which is a management model that attempts to get rid of the traditional bureaucracy and uses blockchain technology to complete autonomous operations. organizational form.
Decentralized Autonomous Organizations (DAOs) enable global coordination of individuals using blockchain-based governance. DAOs can be used for many purposes, including managing the operations and capital of a blockchain project (MakerDAO), managing investment capital (The LAO), managing the use of game assets (YGG DAO), coordinating cultural groups (Friends With Benefits), or coordinating purchases Asset (Constitution DAO).
The number of DAOs included in the deep website has reached 187, with total assets under management exceeding US$12 billion and covering more than 1.6 million members. Although in the blockchain field, this is not a huge amount of data. But institutions including Sequoia Capital are beginning to take notice of this new term.
The market value of cryptocurrencies officially exceeded US$2 trillion in 2021 and is now at US$2.5 trillion, an increase of 175% from the beginning of the year. Along with the explosive growth of market value, financing in the encryption field has also increased rapidly. According to statistics, there were 1,529 publicly disclosed primary market financings in the encryption industry in 2021, with a total amount of approximatelywas US$32.6 billion, a year-on-year growth of an exaggerated 814.2%.
However, equity financing in the crypto field is different from other fields. Under the "VIE" structure, the main exit channel for traditional VC funds is for companies to log into the secondary market for IPO. However, the blockchain field has its own new financing method ICO (banned in China). The key difference of this decentralized financing method is that users can participate in the growth of the community at an earlier stage, while under the traditional venture capital model, only logging in After the secondary market, ordinary investors have the opportunity to share the dividends of corporate growth.
In the field of encryption, first of all, the concept of "company" has been weakened. Due to the existence of "Web3" and "DAO", communities and organizations are more mentioned. Users are naturally interested in There is a sense of distrust in centralized platforms.
The most popular project in the crypto community in the past two weeks is called "OpenDao", which is a project that imitates the leading NFT trading platform "OpenSea". The reason why this project is so popular is that crypto players are interested in "OpenSea" is dissatisfied. "OpenSea" has recently reported that it is conducting a new round of financing and is preparing for an IPO. However, NFT enthusiasts do not want “OpenSea” to become a monopoly platform like the current Internet giants, so “OpenDao” adopts the concept of decentralization and issues airdrops to all “OpenSea” users.
And at the end of 2021, there was a debate in the encryption community about "Web3", including Tesla Chairman Elon Musk and former Twitter executive Jack Dorsey pointing to contradictions during the debate I have learned about venture capital institutions in crypto finance and believe that VCs have gained too much profit.
In 2021, an investment institution in the form of "DAO" also emerged. This kind of organization includes investors who are very influential in the community and are deeply involved in the technology field. They incubate The project performance even exceeds the results of some traditional VCs.
㈤ Who invented Bitcoin
The concept of Bitcoin (BitCoin) was first proposed by Satoshi Nakamoto in 2009. The open source software and construction were designed and released based on Satoshi Nakamoto’s ideas. P2P network on it. Bitcoin is a P2P form of digital currency. Peer-to-peer transmission means a decentralized payment system.
Unlike most currencies, Bitcoin does not rely on the issuance of a specific monetary institution. It is generated through a large number of calculations based on a specific algorithm. The Bitcoin economy uses a distributed database composed of many nodes in the entire P2P network to confirm All transactions are recorded, and cryptographic design is used to ensure the security of all aspects of currency circulation. The decentralized nature of P2P and the algorithm itself ensure that currency value cannot be artificially manipulated by mass production of Bitcoins. Design based on cryptography allows Bitcoin to be transferred only by real owners orPay. This also ensures the anonymity of currency ownership and circulation transactions. The biggest difference between Bitcoin and other virtual currencies is that its total quantity is very limited and it is extremely scarce. The currency system had no more than 10.5 million coins in 4 years, after which the total number will be permanently limited to 21 million coins.
Bitcoin can be cashed out and converted into the currencies of most countries. Users can use Bitcoin to purchase some virtual items, such as clothes, hats, equipment, etc. in online games. As long as someone accepts it, Bitcoin can also be used to purchase items in real life. [1][2]
On February 26, 2014, West Virginia Democratic Senator Joe Manchin issued an open letter to multiple regulatory agencies of the US federal government, hoping that relevant agencies could We pay attention to the fact that Bitcoin encourages illegal activities and disrupts financial order, and requires that action be taken as soon as possible to completely ban this electronic currency. [3]
Starting from 12:00 noon on January 24, 2017, China's three major Bitcoin platforms officially began to charge transaction fees. [4]
Chinese name
Bitcoin
Foreign name
Bitcoin
Type
Electronic currency
Circulation platform
Network
Concept founder
Satoshi Nakamoto
Development Chengdu Tingyin
When the global financial crisis broke out in 2008, someone published a paper under the pseudonym "Satoshi Nakamoto" describing the Bitcoin model.
2 photos in total
Bitcoin
Compared with legal currency, Bitcoin does not have a centralized issuer, but is generated by the calculation of network nodes. Anyone can participate in the creation of Bitcoins, and they can be circulated around the world. They can be bought and sold on any computer connected to the Internet. No matter where they are, anyone can mine, buy, sell or receive Bitcoins, and trade them. During the process, outsiders cannot identify the user’s identity information. [2] In 2009, Bitcoin, which is not controlled by the central bank or any financial institution, was born. [2] Bitcoin is an “electronic currency” that consists of a series of complex codes generated by a computer. New Bitcoins are manufactured through a preset program. As the total amount of Bitcoins increases, the speed of new currency manufacturing slows down. , until reaching the total upper limit of 21 million in 2014, the total number of Bitcoins mined has exceeded 12 million. [2]
Whenever Bitcoin enters the mainstream media's field of vision, the mainstream media will always ask some mainstream economists to analyze Bitcoin. Early on, these analyzes always focused on whether Bitcoin was a scam. Today's analysis always focuses on whether Bitcoin can become the mainstream currency in the future. And this is controversialThe focus tends to be on Bitcoin’s deflationary characteristics. [5]
Many Bitcoin players are attracted by the fact that Bitcoin cannot be issued at will. In contrast to the attitudes of Bitcoin players, economists have polarized attitudes towards the fixed total supply of 21 million Bitcoins. [6]
Economists of the Keynesian school believe that the government should actively regulate the monetary aggregates and use the loosening and tightening of monetary policy to fuel or brake the economy in a timely manner. Therefore, they believe that Bitcoin’s fixed total currency sacrifices controllability, and what’s worse is that it will inevitably lead to deflation, thereby harming the overall economy. Austrian economists hold the opposite view. They believe that the less government intervention in currency, the better. Deflation caused by the fixed monetary aggregate is not a big deal, and is even a sign of social progress.
The Bitcoin network generates new Bitcoins through "mining." The so-called "mining" is essentially the use of computers to solve a complex mathematical problem to ensure the consistency of the distributed accounting system of the Bitcoin network. The Bitcoin network automatically adjusts the difficulty of math questions so that the entire network gets a qualified answer approximately every 10 minutes. The Bitcoin network will then generate a certain amount of Bitcoin as a bounty to reward those who get the answer.
When Bitcoin was born in 2009, each bounty was 50 Bitcoins. Ten minutes after its birth, the first batch of 50 Bitcoins was generated, and the total currency amount at this time was 50. Subsequently, Bitcoin increased at a rate of about 50 every 10 minutes. When the total amount reaches 10.5 million (50% of 21 million), the bounty is halved to 25. When the total amount reaches 15.75 million (new output is 5.25 million, which is 50% of 1050), the bounty is further halved to 12.5. [7]
First of all, according to its design principle, the total amount of Bitcoin will continue to grow until the day it reaches 21 million more than 100 years later. However, the total amount of Bitcoin currency will grow very slowly in the later period. In fact, 87.5% of all Bitcoins will be mined within the first 12 years. Therefore, from the perspective of the total amount of money, Bitcoin will not reach a fixed amount. In fact, its total amount of money will continue to expand, although the speed is getting slower and slower. So it seems that Bitcoin is an inflationary currency.
However, judging whether it is deflation or expansion does not depend on whether the total amount of money is decreasing or increasing, but on whether the overall price level is falling or rising. An increase in overall prices is inflation, and vice versa is deflation. In the long run, the issuance mechanism of Bitcoin determines that the growth rate of its total monetary volume will be much lower than the growth rate of social wealth.
Economists of the Keynesian school believe that continued decline in prices will make people tend to postpone consumption, because the same dollar can buy more things tomorrow. The reduction in willingness to consume has further led to shrinking demand and unsaleable goods, making prices even lower and entering a vicious cycle of "deflationary spiral". Similarly, a deflationary currencyI am afraid that the value of money itself will appreciate without depositing it in the bank (purchasing power will become stronger and stronger), people's willingness to invest will also increase, and social production will also fall into a downturn. [5] Therefore, Bitcoin is a currency with deflationary tendencies. In the Bitcoin economy, the prices of goods priced in Bitcoin will continue to fall. [1]
Bitcoin is an online virtual currency with a limited quantity, but it can be used for cash: it can be exchanged for the currencies of most countries. You can use Bitcoin to purchase some virtual items, such as clothes, hats, equipment, etc. in online games. As long as someone accepts it, you can also use Bitcoin to purchase items in real life. [1][1]
On September 9, 2014, the American e-commerce giant eBay announced that its payment processing subsidiary Braintree would begin accepting Bitcoin payments. The company has partnered with Bitcoin trading platform Coinbase to begin accepting this relatively new payment method.
Although the eBay marketplace and PayPal business do not yet accept Bitcoin payments, Braintree customers such as travel home rental community Airbnb and car rental service Uber will begin to accept the virtual currency. Braintree, whose main business is providing payment processing software to businesses, was acquired by eBay last year for about $800 million.
On the evening of January 22, 2017, Huobi, Bitcoin China and OKCoin successively issued announcements on their respective official websites, stating that in order to further curb speculation and prevent violent price fluctuations, each platform will The transaction service fee will be charged starting from 12:00 noon on January 24. The service fee is charged at a fixed rate of 0.2% of the transaction amount, and the rates for active transactions and passive transactions are the same. [4] On May 5, the latest data from OKCoin showed that the price of Bitcoin had just refreshed history again, reaching a high of 9222 points as of press time. [8]
Founder of Wuting Voice
On November 1, 2008, a person claiming to be Satoshi Nakamoto posted on a secret cryptography comment group He wrote a research report describing his new idea of electronic currency-Bitcoin was launched, and the first transaction of Bitcoin was completed. Bitcoin uses a publicly distributed ledger to get rid of the constraints of third-party institutions, which Satoshi Nakamoto calls a "regional chain." Users are willing to donate their CPU computing power and run a special software to be a "miner", which will form a network to jointly maintain the "regional chain". In the process, they will also generate new currencies. Transactions are also carried out on this network, and computers running this software can crack irreversible cryptographic problems, which contain multiple transaction data. The first "miner" to solve the problem will be rewarded with 50 Bitcoins, and the relevant transaction area will be added to the chain. As the number of "miners" increases, the difficulty of each puzzle increases.The speed also increases, which keeps the Bitcoin production rate of each buying and selling area at about 10 minutes.
Kyoto University Mathematics Professor Mochizuki Shinichi
In 2009, Satoshi Nakamoto designed a digital currency, Bitcoin. The booming Bitcoin market has gone up and down, and The identity of its founder "Satoshi Nakamoto" has always been a mystery. Rumors about the "Father of Bitcoin" involve everyone from the National Security Agency to financial experts, giving Bitcoin a mysterious halo.
According to foreign media reports, computer scientist Ted Nelson posted a video on the Internet on Sunday saying that he had determined that the founder of Bitcoin was Kyoto University mathematics professor Shinichi Mochizuki. The founder of Bitcoin has always used the pseudonym Satoshi Nakamoto, and there has been a lot of speculation about his true identity on the Internet. Nelson posted a video saying that he had determined that Mochizuki Shinichi was the true founder of Bitcoin. [9]
Mochizuki Shinichi became famous in 2013 for proving the ABC conjecture. He attended Phillips Exeter Academy in high school, one of the most prestigious high schools in the United States, graduating after just two years. Shinichi Mochizuki entered Princeton University in the United States at the age of 16, left the school with a Ph.D. at the age of 22, and became a full professor at the age of 33. It is extremely rare in academia to obtain the title of full professor at such a young age. The superstar of mathematics may have cracked one of the most important problems in the field.
Satoshi Nakamoto himself left very little personal information on the Internet, and has almost completely disappeared in recent years, so his life experience has become a mystery. On March 7, 2014, when the news broke that the founder of Bitcoin, Dorian P. Satoshi Nakamoto, was found, it quickly became the most fascinating news on the Internet.
Unlike outside speculation that it may be a fictitious name, "Satoshi Nakamoto" is a real name. He is a 64-year-old Japanese-American who likes to collect model trains and once worked for a large company. and the U.S. military, doing classified work. For the past 40 years, Satoshi Nakamoto has never used his real name in life. According to 1973 files from the U.S. District Court in Los Angeles, when he graduated from California Polytechnic State University at the age of 23, he changed his name to Dorian Prentice Satoshi Nakamoto. Since then, he no longer uses the name "Song" and uses Dorian S. Nakamoto as his signature. [9]
Principle of production Listen to the voice
Starting from the essence of Bitcoin, the essence of Bitcoin is actually a special solution generated by a bunch of complex algorithms. A special solution refers to a set of infinite (in fact, Bitcoin is finite) solutions that can be obtained by a system of equations. And every special solution can solve the equation and is unique. [10]Using RMB as an analogy, Bitcoin is the serial number of RMB. If you know the serial number on a certain banknote, you own the banknote. The mining process is to continuously seek special solutions to this system of equations through a huge amount of calculations. This system of equations is designed to have only 21 million special solutions, so the upper limit of Bitcoin is 21 million. [10]
Crazy Rise
To mine Bitcoin, you can download a dedicated Bitcoin computing tool, then register on various cooperative websites, and fill in the registered username and password into the calculation In the program, click Calculation to officially start. [11] After completing the Bitcoin client installation, you can directly obtain a Bitcoin address. When others pay, you only need to post the address to others, and you can make payments through the same client. After the Bitcoin client is installed, it will be assigned a private key and a public key. You need to back up your wallet data containing private keys to ensure that your property is not lost. If unfortunately the hard drive is completely formatted, one's Bitcoins will be completely lost.
Currency characteristics Listen to voice
Decentralization: Bitcoin is the first distributed virtual currency. The entire network is composed of users and there is no central bank. Decentralization is the guarantee of Bitcoin’s security and freedom.
Circulation around the world: Bitcoin can be managed on any computer connected to the Internet. Anyone can mine, buy, sell or receive Bitcoin regardless of location.
Exclusive ownership: Manipulating Bitcoin requires a private key, which can be isolated and stored on any storage medium. No one can obtain it except the user himself.
Low transaction fees: It is free to remit Bitcoin, but there will ultimately be a transaction fee of approximately 1 bit cent per transaction to ensure faster transaction execution.
No hidden costs: As a means of payment from A to B, Bitcoin has no cumbersome limits and procedures. You can make the payment by knowing the other party's Bitcoin address.
Cross-platform mining: Users can explore the computing power of different hardware on many platforms.
Advantages
Completely decentralized. Without an issuing agency, it is impossible to control the issuance quantity. Its issuance and circulation are realized through the open source p2p algorithm.
Anonymous, tax-free, and regulatory-free.
Robustness. Bitcoin completely relies on the p2p network and has no issuance center, so the outside world cannot shut it down. The price of Bitcoin may fluctuate and collapse, and many governments may declare it illegal, but Bitcoin and Bitcoin’s huge p2p network will not disappear.
Borderless, cross-border. Cross-border remittances will pass through layers of foreign exchange control agencies, and transaction records will be recorded by multiple parties. But if you use Bitcoin to trade, you can directly enter the digital address, click the mouse, and wait for the p2p network to confirm the transaction, and a large amount of money will be gone. without anyNo regulatory agency will leave any cross-border transaction records.
It is difficult for copycats to survive. Since the Bitcoin algorithm is completely open source, anyone can download the source code, modify some parameters, and recompile it to create a new p2p currency. However, these counterfeit currencies are fragile and extremely susceptible to 51% attacks. Any individual or organization, as long as it controls 51% of the computing power of a p2p currency network, can manipulate transactions and currency values at will, which will cause a devastating blow to the p2p currency. Many altcoins fail at this point. The Bitcoin network is already robust enough. If you want to control 51% of the computing power of the Bitcoin network, the number of CPU/GPU required will be an astronomical number.
Disadvantages
Fragility of the trading platform. The Bitcoin network is robust, but Bitcoin trading platforms are fragile. The trading platform is usually a website, and the website can be hacked or shut down by the authorities.
Transaction confirmation takes a long time. When a Bitcoin wallet is first installed, it will take a lot of time to download historical transaction data blocks. When doing Bitcoin transactions, in order to confirm the accuracy of the data, it will take some time to interact with the p2p network. The transaction will not be completed until the entire network confirms it.
Prices are extremely volatile. Due to the involvement of a large number of speculators, the price of converting Bitcoin to cash has fluctuated like a roller coaster. Making Bitcoin more suitable for speculation rather than anonymous transactions.
The public does not understand the principles, and there is resistance from traditional financial practitioners. Active netizens understand the principles of p2p networks and know that Bitcoin cannot be manipulated and controlled by humans. But the public doesn’t understand, and many people can’t even tell the difference between Bitcoin and Q Coin. “No issuer” is the advantage of Bitcoin, but in the eyes of traditional financial practitioners, currency “without an issuer” is worthless. [12]
Currency trading listening to voice
Purchase method
Users can buy Bitcoin, and they can also use computers to perform a large number of calculations according to algorithms to " Mining” Bitcoin. When a user "mines" Bitcoin, he or she needs to use a computer to search for a 64-bit number, and then compete with other gold diggers by repeatedly solving puzzles to provide the Bitcoin network with the required number. If the user's computer successfully creates A set of numbers, then you will get 25 Bitcoins.
Due to the decentralized programming of the Bitcoin system, only 25 Bitcoins can be obtained every 10 minutes, and by 2140, the upper limit of circulating Bitcoins will reach 21 million. In other words, the Bitcoin system is self-sufficient, coded to resist inflation and prevent others from destroying the code.
Transaction method
Bitcoin is electronic cash similar to email. Both parties to the transaction need a "Bitcoin wallet" similar to an email address and a "Bitcoin address" similar to an email address. HeshouJust like sending an email, the remitter pays Bitcoin directly to the other party according to the recipient's address through a computer or smartphone. The following table lists some websites where you can download Bitcoin wallets and addresses for free.
A Bitcoin address is a string of letters and numbers about 33 characters long, always starting with 1 or 3, such as "". Bitcoin software can automatically generate addresses. When generating addresses, there is no need to connect to the Internet to exchange information, and it can be done offline [2]. There are more than 2 Bitcoin addresses available. To put it figuratively, there are about 2 grains of sand in the world. If there is an earth in each grain of sand, then the total number of Bitcoin addresses far exceeds the number of all the sand on all these "earths".
Bitcoin addresses and private keys appear in pairs, and their relationship is like a bank card number and password. A Bitcoin address is like a bank card number used to record how many Bitcoins you have at that address. You can generate a Bitcoin address at will to store Bitcoins. When each Bitcoin address is generated, a corresponding private key for the address will be generated. This private key proves your ownership of the Bitcoins at that address. We can simply understand the Bitcoin address as a bank card number, and the private key of the address as the password of the corresponding bank card number. You can only use the money on your bank card number if you know your bank password. Therefore, please save your address and private key when using a Bitcoin wallet.
After Bitcoin transaction data is packaged into a "data block" or "block", the transaction is initially confirmed. When a block is linked to the previous block, the transaction will be further confirmed. After 6 consecutive block confirmations, the transaction is basically confirmed irreversibly. The Bitcoin peer-to-peer network stores all transaction history in the "blockchain". The blockchain continues to lengthen, and once new blocks are added to the blockchain, they cannot be removed. The blockchain is actually a group of decentralized user-side nodes and a distributed database composed of all participants. It is a record of the history of all Bitcoin transactions. Satoshi Nakamoto predicted that when the amount of data increases, users hope that not all of this data will be stored in their own nodes. To achieve this goal, he introduced a hash function mechanism. In this way, the user terminal will be able to automatically eliminate those parts that it will never use, such as some very early Bitcoin transaction records.
Consumption methods
Many websites for technology players have begun to accept Bitcoin transactions. Including websites such as Mtgox, BTCChina, and some Taobao stores, they can even accept services such as Bitcoin exchange for US dollars and euros. There is no doubt that Bitcoin has become a real currency in circulation, rather than a virtual currency like Tencent Q Coin. There are already specialized third-party Bitcoin payment companies abroad, similar to domestic Alipay, that can provide API interface services.
Money can be usedTo buy Bitcoins, you can also be a miner and "mine" them by using a computer to search for 64-bit numbers. By using computers to repeatedly decrypt, they compete with other gold diggers to provide the Bitcoin network with the numbers it needs. If the computer can successfully create a set of numbers, it will receive 25 Bitcoins. Bitcoin is decentralized and requires a fixed number of Bitcoins to be created per unit of computing time. 25 Bitcoins can be obtained every 10 minutes. By 2140, the upper limit of Bitcoins in circulation will reach 21 million. In other words, the Bitcoin system is self-sufficient, coded to resist inflation and prevent others from sabotaging it.
Payment Case
While being wildly pursued by investors, Bitcoin has been accepted by individual merchants in reality. A restaurant in Beijing has enabled Bitcoin payments. The restaurant in Chaoyang Joy City said it began accepting Bitcoin payments at the end of November 2013. At the end of the meal, consumers transfer a certain amount of Bitcoin to the store's account to complete the payment. The entire process is similar to a bank transfer. The restaurant once settled a meal of 650 yuan with 0.13 Bitcoins. [13]
In January 2014, Overstock began accepting Bitcoin, becoming the first large online retailer to accept Bitcoin. [14]
Bitcoin was created by Satoshi Nakamoto, (almost certainly) a pseudonym. To date, no one has been able to definitively associate Bitcoin with a real person. Or connect a group of people. Satoshi Nakamoto disappeared from the internet in 2011, leaving few clues as to who they might be. Over the years, many people have publicly claimed to be Satoshi, but none have backed up this claim with indisputable facts.
In an early Bitcoin forum, Satoshi said they started working on Bitcoin in 2007, two years before the first block was mined. On January 3, 2009, the first block of the Bitcoin blockchain, the Genesis block, was mined. Satoshi Nakamoto, the miner of the Genesis block, received the first batch of 50 Bitcoins put into circulation. However, the reward for the first block is unpayable because the way Genesis blocks are expressed in the code is a little weird. BitMEX Research published an analysis of Bitcoin’s early mining and concluded that “someone” mined 700,000 Bitcoins. Although many believe it is Satoshi, there is still no official confirmation.
One can only imagine the fame Satoshi Nakamoto would gain if their identities were revealed, not to mention the vast wealth they would collect (although Sato doesn't seem to have spent any of the coins they were supposed to mine). Over time, many people have claimed to be Satoshi, while others have had this claim thrust upon them.
False Claims
One of the most famous examples of someone claiming to be a Satoshi is Craig Wright, Australian scholar. As early as 2015, Wright has repeatedly tried to present to the public indisputable proof that he is the inventor of Bitcoin, but to this day he has been unsuccessful. In fact, his "evidence" turned out to be fake.
Why Satoshi must remain anonymous
Satoshi Nakamoto, the creator of the world’s first decentralized currency, should arguably remain anonymous , because of the nature of their creation. After creating a protocol with no central point of failure, Satoshi may have realized that remaining anonymous might eliminate the last possible central point of failure that Bitcoin could have: the people who created it. Removing a single identity that might be associated with the emergence of Bitcoin removes any single face that might influence the politics, rules, or decisions of the Bitcoin community.
Whoever Satoshi is, they are undoubtedly the geniuses of our time. The Bitcoin protocol provides economic incentives in all the right places, providing a unique solution to the Byzantine Generals' Problem. Satoshi Nakamoto used concepts from cryptography, mathematics, game theory, and economics to create a beautifully designed—and the world’s first—digital scarce asset, Bitcoin.
The inventor of Bitcoin is a Japanese named Satoshi Nakamoto. On January 3, 2009, the world’s first batch of Bitcoins were born, and digital currency was officially born. Digital currency was not until The price rose rapidly at the end of 2013, from around US$10 in the early stage to more than US$900. In 2016, the popularity of Bitcoin really started, and the price soared, and it was called "digital gold". Why is Bitcoin so valuable?
1. Mining is difficult. Bitcoin mining requires specific calculations, the cost of calculation time is very high, and the initial material investment is also very large.
2. Bitcoin has currency attributes and is trusted by the market. Bitcoin’s encryption algorithm is difficult to crack, ensuring its uniqueness.
3. The Bitcoin trading market is highly transparent, market prices are open and transparent, and circulation and transactions in virtual digital goods are convenient and fast.
4. With the recognition of some countries, some policies issued by the country towards Bitcoin and digital currencies will undoubtedly stimulate the rise of Bitcoin prices.
Things are more valuable when they are scarce. Bitcoin is relatively rare. Currently, it is very difficult to mine comparative coins. The impact of supply and demand, the shortage of supply in the market, etc., have undoubtedly played a big role in the rise in prices. . Friends who buy Bitcoin on trading platforms to earn the price difference need to be cautious.
Bitcoin is a P2Pdigital currency. Peer-to-peer transmission means a decentralized payment system. The concept of Bitcoin was proposed by the Japanese Satoshi Nakamoto in 2009. The price of Bitcoin has been unimaginably high since its inception. Why is Bitcoin so valuable?
Let’s briefly talk about it. .
By running a special program, the Bitcoin mining machine can obtain Bitcoins similar to task rewards after the operation. The current output of Bitcoin is very low, about 3,600 new coins are produced every day, and the quantity is limited; the price of Bitcoin mining is high. Since Bitcoin became popular, the price of professional mining machines has dropped from a low price of about 10,000 yuan to the current price. If it is more expensive than 300,000 yuan, it requires a lot of financial resources to invest in equipment in the early stage; the mining time is long, and Bitcoin mining is to go through specific complex calculations, which consumes a very long time; Bitcoin mining machines consume a lot of money, in addition to their own In addition to losses, it also consumes a lot of electricity. The daily power consumption of Bitcoin mining machines can reach 188 million kilowatt hours, which is equivalent to one percent of China's daily power generation. The number of Bitcoins is still increasing, and some institutions estimate that the electricity consumption of Bitcoin mining will exceed the electricity consumption of the United States in 2019.
The price of Bitcoin has always been related to the media. I would like to remind everyone that the price of Bitcoin rises quickly and falls quickly. The risk is high. Friends who want to buy Bitcoin to make money must be cautious. join in.
Bitcoin, which has been dormant for many days, has made a comeback with the help of the "ransomware" virus, and started a familiar rampage mode. This virtual currency, called "digital gold", has surged 3 million times in 8 years, and even Chinese aunts have entered the market. Some people think that this is a drum-passing game, some firmly believe that Bitcoin will become a scarce asset, and some even say that it will be a shining node in the long history. Most people do not ask for a deeper understanding, but are just amazed by another round of wealth explosion.
Who do you think created Bitcoin? There has never been a conclusion about the inventor of Bitcoin. The common theory is that the Japanese "Satoshi Nakamoto" (Satoshi Nakamoto). On January 3, 2009, the world's first batch of Bitcoins were "mined". This digital currency designed by a person codenamed "Satoshi Nakamoto" was officially born. Since that moment, 15 people have successively Suspected to be "Satoshi Nakamoto". In 2014, the authoritative American media revealed that the Japanese-American physicist whose real name was "Satoshi Nakamoto" was the legendary "Father of Bitcoin", but the old professor firmly denied it. The picture shows Satoshi Nakamoto, who made a rare appearance, being besieged by the media, constantly blocking the camera and denying any connection with Bitcoin.
In May 2016, Australian engineer and entrepreneur Craig Wright publicly stated that he was the creator of Bitcoin, Satoshi Nakamoto. But just a few days later, White himself "surrendered" and issued an apology letter saying that he "could not produce key evidence" to prove hisHas. Although Satoshi Nakamoto was nominated as a candidate for the 2016 Nobel Prize in Economics, his true identity has not yet been completely unveiled. Picture: BBC (from: Tencent Pictures)
After getting involved with Bitcoin, Craig White was targeted by the police. The picture shows the Australian Federal Police and tax officials searching White's residence and office. The latter's Bitcoin-related business has tax issues. According to media reports, the mysterious figure "Satoshi Nakamoto" holds more than 1 million Bitcoins. Based on the current price of 15,000 yuan each, his worth exceeds 15 billion yuan. According to the original strict design, the total number of Bitcoins was limited to 21 million, and currently about 14 million have been mined. Picture: Reuters
Satoshi Nakamoto, whose true identity is unknown
㈥ Is Dimension Group a pyramid scheme or a black platform?
As far as we know, Dimension Group Gongsong Yunsi is not a pyramid scheme, but there are some controversies and doubts. Dimension Group Company is a technology company mainly engaged in the research and development and application of Internet finance, blockchain, artificial intelligence and other fields. The company has also launched a blockchain product called "Dimension Chain", aiming to provide blockchain technology solutions for enterprises.
However, the company's operating model and some marketing methods have caused some people to question it. Some people believe that the company's products and services are falsely advertised and exaggerated, and there are also some "head-pulling" behaviors. In addition, the company's shareholding structure and recruitment methods have also caused some doubts.
In short, Dimension Group Company is not a pyramid scheme, but there are problems with some of the company's marketing methods and operating models, which require the attention and supervision of relevant departments. For investors, they should conduct an in-depth understanding and analysis of the company's actual situation and invest prudently.
㈦ Blockchain has been elevated to a strategic level, cloud computing + 5G will benefit in the long term (shareholding)
Blockchain has been elevated to a national level, “blockchain should be used as a core technology An important breakthrough for independent innovation and accelerating the development of blockchain technology and industrial innovation." This is undoubtedly a big news for the blockchain concept sector. Blockchain, digital currency and other concept stocks are in the spotlight.
Blockchain is an organic combination of existing mature technologies. Its core technologies mainly include distributed ledgers, consensus mechanisms, smart contracts and cryptography, thereby achieving a chained data structure that is difficult to tamper with.
The physical basis for building a blockchain is a distributed ledger, which is an independent and complete data storage in multiple network nodes. In order to solve the problem of consistency certification of distributed systems, consensus algorithms are introduced at the system level. The most widely used ones include PoW and PoS (mainly used in public chain systems such as Bitcoin, supporting the issuance of tokens, which consumes a lot of computing power), and PBFT ( Mainly used for alliance chains or private chains, no tokens required).
Tianfeng Securities research report pointed out that the characteristics of blockchain technology have directly stimulated the communication industry chain in three aspects:
1) Computing power carrying drives demand for servers and data centers;
2) Distributed storage drives demand for public clouds/private clouds, and blockchain applications will also accelerate the progress of enterprises on cloud migration, creating long-term demand for cloud computing, IDC, switches/servers;
< br /> 3) The 5G network with low latency and high speed is an important way to solve the low transaction speed of blockchain.
Tianfeng Securities pointed out that the application and deployment of blockchain will drive demand in many aspects of the communications industry. Specifically:
1) Under the public chain model , the consensus algorithm requires a large amount of computing power support. Currently, the equipment used in consensus calculation is mainly servers (mining machines), which will generate a large number of server demands and drive the growth of IDC demand.
2) In both public chain and alliance chain modes, blockchain requires a large number of distributed nodes to store ledger information, which will bring about public cloud/private cloud storage requirements. Further boost long-term demand for cloud computing, IDC, and switches/servers.
3) Due to the characteristics of the distributed architecture of the blockchain, factors such as different node computing capabilities, network conditions, etc., the transaction speed of the blockchain is low (7 transactions per second on the Bitcoin network, 15 transactions on the Ethereum network) / second, which is significantly lower than VISA’s peak of 56,000 transactions/second and Alipay’s 256,000 transactions/second). In order to solve transaction congestion and rising costs in blockchain-scale applications, high-performance networks have become an important link. The high speed, low latency characteristics and natural large-scale edge node resources of the 5G network perfectly meet the needs of blockchain technology.
Blockchain technology has been elevated to the level of an important breakthrough for independent innovation, and industrial investment, research and development, and implementation progress are expected to continue to accelerate. Tianfeng Securities believes that as the core carrier of blockchain deployment and operation, the communications industry chain is expected to benefit in the long term. Specifically:
