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1. Give an example of what is blockchain

Question 1: 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", which is a new form of distributed artificial intelligence and will establish a new interface and shared interface between human brain intelligence and machine intelligence.

Question 2: What is the transaction process of the blockchain? Best to give an example 20 points 1. Definition
Blockchain is like an open network ledger. It originated from Bitcoin and is the underlying technology of Bitcoin. In a Bitcoin transaction, all the information recorded in the transaction is packaged into a "Block" for storage. With the expansion of information exchange, blocks are linked to each other, forming a blockchain.
2. Characteristics
Digital currency represented by Bitcoin is a peer-to-peer electronic cash system. Among them, each transaction will be broadcast to all participants in the network, and will be recorded in the ledger after multiple confirmations. This ledger is the "blockchain". EveryParticipants will have their own ledgers. In this way, when false information occurs, it can be broken through mutual verification, thereby ensuring network security.
In the blockchain, every node is equal, and there is no centralized management organization. This "decentralization" feature makes the blockchain unnecessary to rely on third parties, and its operation does not require any human effort. intervention, capable of independent self-validation. In addition, the blockchain network is open to the world, and anyone can query data through the public port, so the entire system is highly transparent.
3. Application
In short, the blockchain is a trusted database and a reliable "ledger". In the future, it will be used in cross-border payments, securities, loans, voting, etc. For example, in cross-border payments, with the security provided by blockchain, money can be sent to the world anytime and anywhere, thus eliminating many intermediate links and high handling fees.

Question 3: 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 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 as Bitcoin.
Most blockchains are in their infancy, mainly overseas. There are very few good domestic blockchain projects, so they are not being built.It is recommended that any non-professionals 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 at the bottom of 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. It is attracting more and more attention and will form a huge new trend... >>

Question 4: What is a block?Chain 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, the related results are getting bigger and 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 brand-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 fully applied in 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, and there has been no record of funds or user information being stolen. Its security has been verified, andAnd its efficiency and cost of fund clearing also have obvious advantages. This has made people's confidence in the blockchain technology used in Bitcoin continue to increase, and people have become more and more aware that although blockchain is a technology and protocol pioneered and applied by Bitcoin, the blockchain Chain is not the same as Bitcoin, and its application is by no means 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 5: The so-called "district" What is "Blockchain"? Blockchain itself is a tool called decentralization and trustlessness. For example, when you graduate from university, 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 6: What is blockchain? Can you explain it in plain language? 10 points The principle of blockchain: decentralized 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 conduct payment transactions without the need for a third party. Participation of three parties.
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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. Transaction information is the task data carried by the block, specifically including 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 realize the past The order of transactions; random numbers are the core of transaction completion. 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 meet the information needs of market participants, so intermediaries and centers were 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 low-value, high-cost intermediate chains and achieves low-cost and high-efficiency global information transmission in a decentralized manner.
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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 7: Explain clearly what is blockchain in an easy-to-understand manner. The English name for 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 8: What is blockchain? Blockchain is a new application model of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. The so-called consensus mechanism is a mathematical algorithm that establishes trust and obtains rights and interests between different nodes in the blockchain system.
In May 2016, the Currency Blockchain Research Center published the first book in China that introduces blockchain in simple terms, "Blockchain: Defining a New Pattern of Future Finance and Economics." It introduces the impact of blockchain technology on future finance and economy

Question 9: What is blockchain? For the time being, this is a relatively high-end technology. It connects all nodes (which can be understood as servers) through p2p network technology. Complete data (blocks) are stored on each node. The addition and withdrawal of any node will not affect the normal operation of the chain. Data is embodied in the form of data blocks. Blocks are connected to each other and can be understood as a one-way linked list. The hash value of the nth block is generated based on the hash of the n-1th block, the transaction recorded in the current block, and the random number as parameters. In this way, if you want to modify the data of the historical block, you have to modify all the blocks from the modified block to the final block. The difficulty can be imagined.
The blockchain also introduces a consensus mechanism and an incentive mechanism. There is no way to describe it too comprehensively here. I hope everyone can discuss and learn together

Question 10: What is blockchain: This explanation of blockchain is more understandable. Blockchain (Blockchain) refers to the method of decentralization and trustlessness. A technical solution for collectively maintaining a reliable database.
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 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 his recorded content into the ledger, and record this Within a period of time, the contents of the ledger are sent to all other people in the system for backup. 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.

2. Shuowen Jiezi Lesson 3: Blockchain Blockchain

There was a wave of Bitcoin craze a few years ago. Readers may have heard of blockchain at that time. However, recently, domestic and foreign financial institutions have begun to study and launch financial services based on blockchain technology. What is it? What is so special about it that can attract the favor of formal financial institutions?

Decentralized accounting system

Blockchain is one of the core technologies of Bitcoin. Its most important feature is its ability to create an untamperable and A centralized, highly transparent, and anonymous accounting system can provide low-cost, high-security transfer services, and can further be used as a financial management tool.

To understand the blockchain, we must first start with how it works. Taking the application of Bitcoin as an example, during each transaction, the system will seal the transaction content and related information into a set of blocks, and arrange all the blocks according to time to produce a so-called blockchain.

Since the blockchain records the information of every transaction in the world in detail, you can figure out which "wallet" it is by just counting the data from the first to the last. How much "money" do you have.

It should be noted that the blockchain does not directly store the balance in each "wallet", but the flow of "money" in each transaction. Therefore, when querying the balance, you only need to verify the area By counting the authenticity of each piece of information in the blockchain, the final balance of each "wallet" can be obtained.

Since generating blocks requires complex cryptographic calculations, if a centralized server is used for calculations, many high-performance computers will need to be prepared to meet the demand. However, Bitcoin’s approach is to distribute operations to all computers that perform “mining.” These computers are called nodes. They will receive a certain amount of rewards after verifying transactions and encapsulating blocks. Therefore, there will be many miners trying to earn Bitcoins. Bitcoins are put into computers for calculation, so that no specific server is needed, but all calculation work is distributed to various nodes of the Bitcoin network.

▲The blockchain is formed by connecting many blocks in series. Since it can record transfers from the first to the last and has a high degree of security, it is very suitable for financial applications. . (Image source: Bitcoin: A Peer-to-Peer Electronic Cash System)

It is theoretically possible to crack, but in practice it is not feasible

In the block During the operation of the chain, all nodes will jointly verify each newly added block to ensure the correctness of the transaction. When the block information recorded by some nodes does not match that of other nodes, other nodes will not recognize the transaction. , so transaction records will not be written to the blockchain.

However, the security of blockchain is not theoretically unbreakable. As long as someone can control more than half of the computing power of the entire network (ie, control 51% of the computing power), it can create fake transactionsrecord, and ensure that it can complete the block operation and write the data to the blockchain before other nodes complete the operation and raise objections, so that it can modify its own transaction records and reuse the same Bitcoin for payment. .

Using video games as a simple example, this attack is like using a cheat, which can modify the money to never decrease.

However, from a practical point of view, there are many users of Bitcoin, so there are quite a few nodes in the network, including many professional miners who use special computers to perform calculations, so the computing power of all nodes The total value is quite large, and it is difficult for ordinary people or organizations to grasp 51% of computing performance by themselves.

Assuming that the current computing power of all nodes is equivalent to 100 supercomputers, then the attacker would need to prepare 101 supercomputers to obtain more than half of the computing performance, which is unlikely to be achieved in the actual implementation.

If you take a step back and think about it, assuming that someone can really control more than half of the computing performance, then he can also monopolize the issuance of Bitcoin and transaction fees, and earn considerable profits from it. On the contrary, if If he chose to tamper with transaction data, Bitcoin users would lose confidence in the currency, causing the value of Bitcoin to collapse, or even "banknotes turning into wallpaper" overnight.

Therefore, assuming that the attacker is motivated by profit, then even if he can launch a 51% attack, he will not do so. This will ensure that Bitcoin and the blockchain are still safe.

▲Bitcoin is one of the most representative application examples of blockchain.

Example of using Shuowenjiezi: Blockchain

O: Blockchain can distribute the load of verifying transactions to everyone in the network node.

X: After parking the bicycle, remember to lock it with the blockchain.

3. Blockchain Encyclopedia: The Past and Present of Blockchain - 3.0 Era

The representative of the blockchain 1.0 era is Bitcoin, and the representative of the 2.0 era is Ethereum. And the troubled times of various copycats and air coins. Blockchain 3.0 is the era of consumer-level blockchain that has truly entered commercial and physical applications after the troubled times. The typical symbol is the emergence of tokens. The pass has brought about changes in traditional business models and production relations. The pass has moved from the digital world to the real economy and has begun to seek practical applications in various industries.

The pass has three elements, one of which is indispensable.

Pass: The pass can be circulated on a large scale in a network and can be verified anytime and anywhere; Certificate: As a proof of digital rights and interests, the pass must be a certificate of rights and interests that exists in digital form, and it must represent It is a right, an inherent and intrinsic value; value: the token must have economic value.

In this way, the meaning of "token economy" is not difficult to understand. The token economy is a large-scale group collaboration based on tokens. It maximizes the role of tokens, allows every role that creates value to share value fairly, fully mobilizes participation motivation, and forms a self-organizing form.

Major changes in the blockchain 3.0 era

The token economy has laid the theoretical basis and technical support for the large-scale application of blockchain, and the future world will also be transformed by it. Large-scale changes include:

1. Fragmented investment, fragmented income, subverting the traditional way of doing business on the Internet. In the traditional Internet era, it was impossible for ordinary people to participate in the investment of a company, but the emergence of blockchain allows ordinary people to make fragmented investments in a large asset. Assuming that Alibaba originally adopted blockchain for fragmented investment, then all fragmented shareholders who invested in Alibaba would be able to reap a return on investment that has increased thousands of times today!

2. Break the money-burning model of the Internet and make everyone a winner. The free model of the traditional Internet is essentially to obtain a large number of users through free products to form monopolies and barriers, and then make profits through advertising and value-added services on this basis. In the blockchain 3.0 era, project income is redistributed by issuing tokens to attract more early investors and community users. As the number of users holding tokens increases, the value of the tokens will become higher and higher, and community users, investors, and projects can all benefit from it. In this way, the money-burning model of providing free services in the early days of the traditional Internet can also be improved, and everyone will become a winner.

3. Breaking down the traditional corporate organizational hierarchy, self-organization may become a future trend. In the blockchain 3.0 era, through the establishment of distribution and collaboration mechanisms through smart contracts, it can be more efficient and accurate than enterprises. All token owners will naturally form a community. Everyone has the same goal - "to promote the development of the project and make it a success". They are all members of the community, contribute to the community, promote the value-added of the token, and thus gain benefits together. profit. From a philosophical perspective, this new self-organizing community of freedom, independence, and equality must be the future trend. Gojoy blockchain e-commerce is a self-organized community of blockchain. Every consumer is a token owner and a fragmented investor, so he is very willing to co-create and build Gojoy value.

Therefore, we can look forward to the era of great development of the blockchain 3.0 token economy, and the existing ones may be subverted. What we need to be prepared for is to work hard to embrace the blockchain. If you want to seize the trend of blockchain and understand how to transform into blockchain, please leave a message to communicate and we will take you to learn the blockchain professional certification course.

4. Ethereum London upgrade! The masters on Ouke Cloud Chain launched EIP-1559 special data to take the pulse of "ecological fluctuations"

On August 5, the London hard fork of the Ethereum mainnet was upgraded and officially activated at the blockchain height 12,965,000, and the Ethereum EIP-1559 proposal came into effect.

Since being proposed in March 2019, the EIP-1559 proposal has caused huge controversy in the Ethereum community - opponents believe that this proposal "treats the symptoms but not the root cause", "does little harm and is extremely insulting". Strong", while supporters said the proposal will "optimize user experience" and "reduce the inflation rate of Ethereum." With the London hard fork taking effect, the EIP-1559 proposal is officially written into the DNA of the Ethereum network.

What impact and fluctuations will this proposal bring to ecological users, miners, DeFi, and ecological value feedback? On August 5, Ouke Cloud Chain Master officially launched EIP-1559 special data. Here, you can be the first to know about the wind direction changes brought about by the London hard fork!

What is the EIP-1559 proposal?

In March 2019, Ethereum founder Vitalik Buterin and Ethhub founder Eric Conner jointly proposed the EIP-1559 proposal, hoping to change the transaction fee mechanism of Ethereum, make the fee market more stable, and ease the network congestion problem.

The EIP-1559 proposal proposes that in the future fee market, users need to pay a fixed basic fee for each transaction. If they need to speed up transaction confirmation, they can pay tips to the miners. The tips belong to the miners and all the basic fees are destroyed. On the special page of Chain Master EIP-1559, we have made a detailed analysis of the details and impact of the proposal. Under the new transaction fee mechanism, the Ethereum ecosystem has ushered in a "transaction reform."

What data is there in the EIP-1559 topic?

Based on the data on the Ethereum full node chain, Ouke Cloud Chain Master launched EIP-1559 special data, covering hard fork countdown, data overview, miner income, transaction fees, tip distribution statistics and other data, showing the data fluctuations before and after the EIP-1559 proposal takes effect, providing data reference for users to judge the development trend of the Ethereum ecosystem.

On the EIP-1559 special page, the first thing you see is the data overview of the Ethereum ecosystem. Basic data such as price trends, latest block highs, current Ethereum supply, Ethereum burn, etc. are all summarized here.

Below the data overview is a series of data indicators made by the masters on the Ouke Cloud Chain for this upgrade.

What impact will the EIP1559 proposal have on miners?

The new transaction fee mechanism has brought the most direct impact to miners, so among the opposition to the EIP-1559 proposal, an important group is the miners.

In the column of miner income and transaction fees, the chain master providesA line chart and two bar charts are provided to visually display the impact of the EIP-1599 proposal on miners.

The line chart takes the effective time of the EIP-1559 proposal as the axis, showing the changing trends of miners' income, transaction fees, and ETH prices before and after this major event, and provides two pricing methods: ETH and USDT. Unit, visually showing the impact of the EIP-1559 protocol on these three data.

The bar graph shows the histogram of miner income and transaction fee respectively. The former shows the miner income under the original mode and the block income and handling fee after EIP-1559 takes effect. The latter provides The total handling fee under the original mode and the basic fee and tip data after EIP-1559 takes effect.

Based on this part of the data, miners and ecological users can make rational judgments and market behaviors in advance.

Will ETH experience deflation? Will the ecology get better?

Regarding the EIP-1559 proposal, some people believe that it can reduce gas fees, and by destroying a certain amount of ETH, it can offset the newly issued ETH to a certain extent, thereby bringing about a deflationary effect. Some people believe that gas fees cannot be reduced in the long run, and deflation is difficult to achieve.

In order to verify these judgments, the chain master provided 3 charts to display the ETH supply and destruction data.

"ETH Supply" shows the difference and changes in the estimated supply and actual circulation in the form of a line chart, which can verify the impact of the EIP-1559 proposal on Ethereum inflation.

"ETH burned amount" shows the changes and correlations between ETH price, gas utilization, basefee, number of transactions and ETH burned amount in the form of a line chart + bar chart. Using this data, we can analyze the correlation between the amount of ETH destroyed and ETH price, number of transactions and other data, and objectively analyze the significance of the EIP-1559 proposal.

In addition to the basic fee, how much tip should be given to miners in the future?

After the EIP-1559 proposal came into effect, tips have become the most frequently used data by users of the ETH ecosystem.

In the "Tip Statistics" column, the chain master provides 3 data charts, which respectively display tip distribution statistics, number of tip transactions and specific data table presentation.

The tip distribution statistics table displays the average tip number and tip data of the last 1,000 blocks in the form of "line chart + box chart"; the number of tip transactions is shown in the form of "stacked column chart (transaction Quantity) + line chart (ETH price)" form, showing the dynamic relationship between the number of tip transactions and the price of ETH in the last 1,000 blocks; and the data table presentation table gives the last N days after EIP-1559 took effect. average data.

After the London hard fork, will it trigger a boycott by miners?

After the EIP-1559 proposal takes effect, the transaction fees paid to miners are expected to decrease. Will this lead to miners surrender or rebellion, and thus affect the stability of the Ethereum ecosystem?

In response to this point, the chain master launched the "on-chain data" line chart, which combines ETH price, network computing power, block size, unit computing power income and other data, and marks the London hard score The timeline of the fork shows the correlation of each data and the changes before and after the hard fork.

By observing this chart, you can intuitively understand the impact of this hard fork on the Ethereum ecosystem.

Summary

With the official launch of the London hard fork of Ethereum, the Ethereum network has ushered in a summer breeze. Ecological participants such as miners, users, and DeFi protocols growing on Ethereum will all be affected.

Is this summer wind fast or slow, good or bad, hot or cool? Before we feel its impact personally, the masters on the Ouke Cloud Chain launched the "EIP-1559 Special Topic" to gain insight into the on-chain data in advance and act as a "wind meter" for this summer storm. It not only brings benefits to ecological participants Many conveniences have further improved the big data infrastructure of the Ethereum ecosystem and opened up the development space and imagination of blockchain big data.

This article is from the Financial Network

5. A simple and easy-to-understand introduction to what is blockchain

Blockchain is a way to store data in chronological order Blocks are connected in a sequential manner to form a chain data structure, and are cryptographically guaranteed to be a distributed ledger that cannot be tampered with or forged. Broadly speaking, 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 automated scripts to A new distributed infrastructure and computing paradigm that uses smart contracts composed of code to program and manipulate data.
The underlying technologies of digital cryptocurrencies such as Bitcoin, Litecoin, Ethereum, and Ethereum are all blockchains, and they are just an application of blockchain.

6. A new way to track and manage digital assets, teach you how to view blockchain bills

Bills record value circulation and status, which is a basic function of financial services.

Our commonly used banks, Alipay, WeChat Pay, etc. will record a transaction for ordinary users and merchants, and provide query, statistics and analysis services in different dimensions.

For example, the Alipay annual bill that everyone loves to post will count the user's total income and expenditure throughout the year, consumption types, Yu'E Bao and other financial management income, and the number of takeaway orders. Through big data technology, we can display consumer interests and trends in various regions and age groups, allowing consumers to better understand the consumption environment around them., merchants can grasp market demand in a timely manner.

In a decentralized blockchain network, transactions are permanently recorded on the chain, open and transparent, and accessible to everyone.

However, since the design of the blockchain is more inclined to ensure non-tampering and data compression requirements, the filtering query function at the business level is missing. Coupled with the different rules of different chains, it becomes extremely difficult to track and manage crypto assets. This is why digital asset investors often lament that they “always feel like they don’t have a clear account.”

SixPencer launches a new blockchain accounting artifact, which currently supports asset tracking and management at the bottom of Bitcoin and Ethereum. It is free to use and does not require registration.

Once launched, it has been loved by miners, asset management institutions, OTC merchants, encryption startups, and digital asset investors.

As a professional asset management tool, it can not only query all transaction records on the chain, but also view account balances and It holds assets and provides daily income and expenditure in various currencies, supports single or multi-address aggregate income and expenditure statistics, address portrait analysis and charts, large transaction record rankings, contact management, etc.

After entering the website, enter the Bitcoin or Ethereum address in the search box on the homepage, and click Search to enter the overview page of the address.

We use the address that currently ranks first in ETH holdings on the entire network: (tag: bitfinex 1) account as a demo account for demonstration, and all data are real on-chain data.

Here is a brief introduction to the difference between addresses and bank accounts on the blockchain. On the blockchain, an address is similar to a bank card number. Knowing the address is the same as knowing the bank card number, and you can transfer money to it.

But the difference is that the blockchain is a distributed public ledger that cannot be tampered with. It is usually anonymous and anyone can conduct public queries on any address. The bank account can only query your own account information, and you cannot know other people's account information through the bank card number.

If the user has multiple addresses or wants to track other addresses, they can search. All searched address information will be summarized on the asset portfolio page. Click the drop-down box to switch or delete accounts.

In addition to the basic information provided by the blockchain browser, SixPencer also displays some personalized indicators to help users understand their own on-chain portrait and track the on-chain trajectories of other accounts. On the overview page below, you can view the address's asset overview, historical indicators, income and expenditure statistics, and asset holding information.

Address overview

Creation time: date of first receipt of ETH

Net assets: all assets, including ERC20 tokens Total USD value of assets

ETH ranking: Ranking of all Ethereum addresses holding ETH amount

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ETH balance and valuation: Amount of ETH held and its corresponding USD value

Historical indicators

< p> Historical indicators display four major dimensions: transaction volume, number of transactions, token analysis and contact analysis. Through statistics, the unclear accounts can finally be settled. For example, the simplest accounting calculation, total ETH income = ETH balance + total ETH expenditure + total ETH handling fee. Another example is the total number of transactions = the number of transfer-in transactions + the number of transfer-out transactions.

Due to the particularity of the Ethereum network, all transfer fees are paid in ETH. Therefore, we list the handling fees separately, and also support separate screening of handling fees in the transaction details to help users count handling fee expenditures.

Some interesting data, the demo account fee is 1.1556ETH, a single large ETH transfer reaches 900,000 ETH, and the number of tokens held is There are 350 types, and the most traded token is USDT, with only 37 addresses that have been traded with it.

Addresses that hold hundreds of different assets are usually exchange addresses. In addition, the number of transactions and contacts are not many, so it can be ruled out that it is an external address, and it can basically be judged that it is used internally by the bitfinex exchange. address.

Income and Expenditure

Statistics of the total income and expenditure of all assets this month, including handling fees.

holdAsset status

Displays the number, value, asset price and 24h increase or decrease of assets held. The address of an exchange such as a demo account, which holds assets, usually does not fit on 10 pages.

In addition to providing the transaction flow of addresses, SixPencer also supports query and filtering of full historical transaction records, balance information, daily income and expenditure statistics, etc.

Transaction details

From the following page, you can clearly know the income and expenditure of ETH assets this month. Users can also filter based on date, fund flow, transaction classification and labeling system. If you need more detailed statistics, we will introduce how to filter transactions at specified addresses later.

Click the ETH drop-down box in the picture above to switch to the transaction details page of other currencies. For example, switch to the transaction details of USDT to view the detailed status of USDT.

In addition to monthly bills, SixPencer displays the transaction details of each transaction, providing information such as transaction direction, transaction counterparty, transaction amount, account balance, transaction time, daily income and expenses, etc. As you can see in the picture below, the nearly 6 ETH transactions were all transactions transferred from the bitfinex 3 account to bitfinex 1.

Transaction details

Click on any transaction details to enter the transaction details page of that transaction. The transaction hash is a unique and immutable transaction ID for each on-chain transfer, similar to the concept of an order number.

The specific information of a transaction can be queried through the transaction hash.

The transaction quantity, transaction status, transaction time, sender and recipient, handling fee, etc. shown below are the specific information of this transaction and will not be repeated here. It is worth noting that SixPencer provides a personal tag and remark system. Users can make personalized classifications and notes for individual transactions to help remember and not forget every transaction.

How to quickly find and specify the transaction information of the address?

As time goes by and the number of transactions increases, querying the specified transaction information on the chain becomes extremely complex and difficult. SixPencer refines the transaction information according to business needs and provides a tag system to assist users.Run customized transaction queries and statistics.

For example, you want to query the total amount of ETH transferred to the demo account from the address (label: bitfinex 3) in June 2020. Through our billing system, it only takes two steps to check.

1. Label: For demonstration, we will rename the label "bitfinex 3" to "test test".

2. Filter: Filter the dates to June 1st - June 30th, select "Transfer" in the filter bar, select "Test" in the bottom tab bar, and click Save.

After saving, you can search for all the transaction information transferred to the demo account from "test test" in June. As can be seen from the picture below, in June, the demo account transferred from the address labeled "test test" 58,440.2489 ETH received.

If the user wants to query transactions with multiple specified addresses, select multiple tags and adjust the date, fund flow and other information to perform automatic statistics of assets.

In the analysis column, users can query the chart analysis information of the address in different dimensions, including the four major dimensions of balance, transaction, classification and ranking. You can also view more detailed data and charts by clicking on each dimension separately.

Balance: Balance displays the balance quantity and value trend of assets

Transaction: Transaction displays all transactions, the number of transactions transferred in and out, and the number of transactions Trends in value and number of transactions

Classification: Classification counts transaction types based on the platform's address label system, reflecting the transaction preferences of the address

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Ranking: Ranking displays active contacts according to the number of transactions, and displays large transactions according to transaction amount

For example, ranking Analysis, you can quickly check the specific transaction amount and large transfer status with a certain address. As shown in the figure below, the demo account and the address labeled "test" have been traded a total of 177 times this month. Other transactions with the demo account that have more transactions are ERC20 Token contract call transactions.

FromAs shown in the figure below, the large-amount rankings also include transaction information with addresses labeled "test". The table displays transaction objects, transaction time, transaction direction, transaction quantity and value. If you are interested in large accounts on the exchange, you can check the large transfer information of the exchange address to see which addresses are large deposits and withdrawals.

The address book displays all addresses that have transaction records with the demo account. In addition to the platform's own label system, users can add labels to addresses or rename labels.

Tags: tags known by the display platform tag system and tags added by users

Recent Contacts: Displays addresses/labels with transaction records in the last 30 days

All Contacts: Displays all contacts with transaction records Addresses/tags, addresses with more than 10,000 transactions, display of contacts for the last 10,000 transactions

In summary, SixPencer’s new asset tracking and management tools can provide It has more comprehensive query and analysis functions than a blockchain browser or wallet. As a tool product, it is intended to assist users in digital asset management and help everyone make better decisions through further analysis of user profiles on the chain.

We believe that the open and transparent mechanism of blockchain should make data query easier, but currently it is still difficult and painful to quickly query blockchain data according to actual business needs, and has become a major obstacle to commercial implementation.

Digital asset transactions are only a small part of it. A large amount of valuable data will be stored on the blockchain in the future. SixPencer will continue to launch more practical tools to allow Data better serves the business.

7. EOSForce Mainnet Development History in 2018 | Community Ecology

In March 2018, the EOS Force development team held a conference in Hangzhou The establishment was completed; in May, EOS Force launched the world's first test mainnet based on EOS Dawn3.0 version, and took the lead in implementing on-chain voting; in June, EOS Force announced the launch of a global public beta; in the same month, the EOSForce mainnet was officially start up.

Looking back on the past six months, the EOSForce mainnet has kicked off the super node election, and community nodes at home and abroad have joined the EOS Force super node election one after another; to the completion of the smart contract online deployment, A large number of DAPP development teams join EOSForceFrom the construction and development of the mainnet to gaining high recognition and support from a large number of overseas communities, the EOSForce mainnet has gone further and wider on the road to forward development, and the community and ecology have become increasingly prosperous.

Everything in the past is a prologue. The past efforts of the EOS Force team and community builders have been preparing and exploring for the exciting future of the EOS Force mainnet.

As the new year approaches, let us review together the changes that have taken place in the EOS Force community in the past six months!

2018.3.1

The EOS Force development team was established in Hangzhou and began testing and modifying EOSIO.

2018.5.18

EOS Force launched the world’s first test mainnet based on EOS Dawn3.0 version, the first to implement on-chain voting, with dozens of communities around the world Node candidates participated in testing the main network.

2018.5.30

The EOS Force development team announced that it will launch the EOSForce mainnet, claiming to be responsible for the security and maintenance of the mainnet.

2018.6.1

The EOS Force development team announced details of improvements to EOSIO

2018.6.8

EOS The Force community announced the launch of the global public beta of the EOSForce mainnet

The EOS Force development team disclosed multiple security risks of EOSIO and proposed solutions

2018.6.22
< br />The EOSForce mainnet was successfully launched, and the super node election kicked off. More than 100 communities joined the EOSForce mainnet super node election.

2018.6.23

Blockchain investment community EOSshuimu campaigned to become the EOSForce main network super node

2018.6.24

Cindydaily, an internationally renowned blockchain community, campaigned to become an EOSForce mainnet super node

2018.6.29

Jiqix, a well-known individual developer, campaigned to become an EOS Force super node

2018.6.30

Blockchain community chain election to become EOS Force super node

2018.7.1

OTC trading platform Ouyou campaigned to become an EOS Force SuperNode

2018.7.4

Maiz Wallet, the world’s leading digital currency wallet, is running to become an EOS Force super node

2018.7.5

The well-known multi-chain mining pool Jichi is running to become an EOS Force super node

2018.7.6

Zhongyuan Blockchain is running to become an EOS Force main network super node
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2018.7.10

Maizi Wallet is launched on the EOSForce mainnet, providing full support for the EOSForce mainnet. Mathi Wallet is the world’s first mobile wallet to support the EOSForce mainnet.

2018.7.12

Well-known investment institution Jiuzhou Capital is running to become an EOS Force super node

2018.7.13

Gu Ya, the founder of EOS Force, said in the Bibi NEWS public chain series sharing: After the upgrade of the EOSForce.io protocol, the performance will be 10 times that of EOSIO

2018.7.19

China's professional financial media platform Huoqiu Finance announced that its Huoqiu community has officially participated in the EOSForce mainnet super node election.

2018.7.24

Japan’s largest market software CoinJinja announced that it will participate in the EOSForce main network super node election as Forceofjinja.

2018.7.26

American node ForceUSA announced its candidacy for the EOSForce main network super node

2018.7.27

EOS EOSawake, the first cross-chain decentralized exchange in the ecology, is running to become an EOS Force super node

China's leading blockchain media Minchain Network officially announced that it will participate in the EOS Force super node as "walianwang" campaign and received public support from many industry veterans.

2018.7.30

The EOSpeople community from China successfully ran for the EOSForce mainnet super node

2018.8.8

EOS Force releases a new multi-chain architecture technology roadmap: build a multi-chain architecture, provide stable on-chain resources, support higher scalability, allow multi-chain cross-chain transactions, and support seamless migration of DAPPs based on other public chains

2018.8.14

EOSAwake community launched the world’s first decentralized exchange AWAKE based on the EOS EMLG mainnet and EOSForce mainnet.

2018.8.17

The "EOSForce Mainnet Super Node Meeting System" proposal drafted by the EOSawake node was approved by 2/3 super node votes

2018.8 .19

The first offline meetup of EOS Force global node candidates was successfully held in Hangzhou.

2018.8.30

The name of the EOSForce mainnet token is officially named EOSC (EOS COIN). The world's leading digital currency exchange by transaction volume - Bifu Exchange has launched EOSC trade.

2018.9.17

The EOS Force Super Node meeting voted to pass the mainnet dividend amendment.

2018.9.18

The EOS Force development team published a series of articles "EOS Source Code Analysis", which was unanimously praised by EOSIO community developers.

2018.9.24

The number of EOSForce mainnet accounts exceeds 500,000, making it the first DPOS public chain in the world with more than 500,000 accounts.

2018.9.28

The EOS Force Community Developer Committee was established, with an initial investment of 2 million EOSC. 2018.10.19

The EOSForce mainnet completed its first major upgrade and began to support third-party smart contract deployment, allowing alternative nodes to obtain dividends.

2018.10.23

Registration for the world’s first EOSForce mainnet DAPP developer competition has begun

2018.10.25

No. Three-party developers launched the Force pixel game EOSC PIXEL MASTER on the Force mainnet

2018.11.2

EOS Force founder Gu Ya participated in the China-Japan-Korea Blockchain in Seoul At the industry forum, several Korean blockchain community leaders stated that they would invest their energy in the EOS Force super node election.

2018.11.13

The online discussion "The Thorny Road of Innovators" between EOS Force founder Gu Ya and BCH developer Jiang Jiazhi was hotly discussed in the community.

2018.11.14

The EOSForce main network super node meeting voted to approve the reelection of the second secretariat of the super node meeting.

2018.11.20

The world’s first EOS Force DAPP Developer Competition has come to an end. The Micro Zero team from Hangzhou won the final championship with its FINGER GUESS project. RICHMAN and Grab The red envelope project won the second prize, and WAITING FOR YOU, CASEGO and FISHONE won the third prize.

2018.11.22

The EOSMAINBP node is running to become the new super node of the EOSForce main network.

2018.11.29

The super nodes voted to approve the tokens for the unactivated genesis account of the EOSForce main network jointly proposed by the super nodes Awake, jiqix, Ouyou and Chulian.com Lock-up plan.

2018.11.30

The EOS Force community was invited to participate in the EOS Global Ecosystem Summit to share the development experience of the EOS Force community with members of the global EOS community.

2018.12.5

EOS Force Community won the third Golden Gyro Award and was named the most influential community of the year.

2018.12.12

koreos.io, the largest and most active EOSIO ecological community in South Korea, has opened a column for EOS Force.

2018.12.17

EOS Force announced that it will support the development of BCH, promote the development of peer-to-peer electronic cash systems, and will not promote forks.

Gu Ya, the founder of EOS Force, was invited to attend the Global Blockchain Developers Conference and delivered a keynote speech on "Challenges of the Crypto-Economy" and had a long discussion with developers from various blockchain communities around the world. Three days of communication.

2018.12.20

EOSForce mainnet ushered in its second major upgrade, launching a new RAM resource model and an optimized fee resource model, solving the problems that plague EOSIO The community has been dealing with resource model issues for 6 months. The super node multi-signature executed the unactivated account token locking system contract.

2018.12.21

EOSWeekly expressed that "EOS Force should not continue to be ignored" and called on the EOS global community to learn from the EOS Force community about economic models and cross-chain solutions.

2018.12.25

The EOS Force Global Community Forum is online, and proposals can be submitted online.

2018.12.27

The famous Korean blockchain platform Hexlant is running to become the EOSForce main network super node