Blockchain is the last outlet of post-90s generation
blockchain technology has been popular since its birth. For the general public, it seems to be very close to us, but we don't know what it (blockchain) is; In fact, the blockchain instry, which is still in the early stage of development, is in chaos both from the technical level and from the content level
What is blockchainblockchain is a technical solution to maintain a reliable database collectively through centralization and distrust. In short, blockchain technology is like a nationwide accounting method. There is a database behind all the systems. You can think of the database as a big ledger. When the data changes, everyone in the system can make bookkeeping, and the fastest and best bookkeeping person will be written into the account book and sent to other people to complete the update of the account book. This way, we call it blockchain technology
, for example, in the payment behavior, there should be third parties involved in any transfer before, for example, the third party organizations such as banks or Alipay, and the block chain technology can effectively solve the intermediary credit problem, so that two people who are not acquainted with each other can complete the transfer directly without the third party. p>
2. What are the advantages of such a nationwide bookkeeping blockchain
knowing what a blockchain is, it is not difficult for us to find that although the efficiency of blockchain is sacrificed, the security is greatly guaranteed. First, the system can hardly be destroyed; second, the accounting process is open and transparent, and cheating is impossible; Third, the cost is greatly reced, and the efficiency is relatively higher
Is blockchain software? What program is it written inperhaps through the above introction, some people will ask, is blockchain a specific software? Actually, it's not. Blockchain is like a database. It's a design idea of a specific technology. It can be implemented in most languages, and in many ways
having said so much, you should know what blockchain is. In fact, blockchain has little to do with the ordinary people born in the 90s. We just need to enjoy the convenient services brought by the Internet or cloud services, unless you want to take blockchain as a business. At present, blockchain technology is still developing rapidly, and its design idea is relatively simple, Maybe it will become more complicated in the future
at present, there are more and more Chinese blockchain enterprises, and many of them get financing through blockchain, such as:
Bubi completed 30 million yuan financing
fun chain technology completed 17.5 million yuan financing
Xiaoyi technology, cloud image blockchain Gold stock chain and others have completed millions of financing
concentric mutual aid network mutual aid platform has completed tens of millions of financing (the specific number is unknown)
if blockchain really wants to become the next outlet, it must complete how to implement the application, how to integrate with existing enterprises, and how to effectively improve proctivity. How to achieve effective supervision? How to show more practical effect and so on
it is estimated that it will take another two or three years for the outbreak to take place~
HTTP protocol into interstellar search
the distributed storage of blockchain is also just needed
the arrival of 5g increases the demand for storage
the decentralized storage of blockchain will be applied quickly
if you look at the problem with the thinking of 30 years ago, you will think that others are crazy, but in fact you are out of date
the concept of blockchain can be traced back to the end of 2008. In the forum, a mysterious personage named "Nakamoto Tsung" published a paper "bitcoin: a peer-to-peer e-cash system" and proposed the concept of blockchain for the first time
on January 3, 2009, the first block of the blockchain was born, which is called the "Founding block"
almost with the birth of blockchain technology, bitcoin became the first thing to play its role. In the following years, bitcoin graally swept the world. In 2017, its crazy market made blockchain technology known to all
the idea of blockchain first appeared in the famous bitcoin open source project. In the process of its birth and development, bitcoin project draws on the technical achievements from digital currency, cryptography, game theory, distributed system, cybernetics and other fields. It can be said that bitcoin project is good at all. As its core supporting structure, blockchain technology is a remarkable innovation achievement
blockchain is a distributed database system with different nodes, which is an open ledger system<
three characteristics of blockchain
compared with the traditional centralized scheme, blockchain technology mainly has the following three characteristics:
the core idea of blockchain is decentralization
in the blockchain system, the rights and obligations between any node are equal, and all nodes have the ability to vote with computing power, Thus, the result recognized by more than half of the nodes is guaranteed. Even under serious hacker attacks, as long as the number of nodes controlled by hackers does not exceed half of the total number of nodes in the world, the system can still operate normally and the data will not be tampered with
block chain's biggest subversive is the establishment of credit
the collective maintenance of blockchain can rece the cost
in the centralized network system, the maintenance and operation of the system depend on the operation and operation of platforms such as data center, and the cost cannot be omitted. Anyone can participate in the nodes of the blockchain. Each node can verify the correctness of the results of other nodes' records while participating in the records, which improves the maintenance efficiency and reces the cost
in a word, blockchain touches money, trust and power, which are the fundamental basis for human survival< Its development has gone through three stages
1. Brewing period: from 2009 to 2012, bitcoin and its instrial ecology are the main economic forms
2. Embryonic period: from 2012 to 2015, with bitcoin entering the public view, new wallet payment and remittance companies appeared, and blockchain economy spread to the financial field. The underlying technology of blockchain is constantly innovated. Blockchain technology is separated from bitcoin system
3. Development period: in 2016, we began to explore instry applications, and a large number of blockchain start-ups appeared. The popularity of ICO in 2017 has given blockchain unprecedented attention
"blockchain 2.0 era" is coming
the application service layer is the driving force for the sustainable development of blockchain, which is divided into three stages of application: 1.0, 2.0 and 3.0
programmable currency: blockchain 1.0 application
programmable currency is the digital currency represented by bitcoin, but it is not the legal tender of any country or region, and there is no government authority to provide guarantee for it
programmable Finance: blockchain 2.0 application& quot; Smart contract& quot; Using program algorithm to replace the concept of contract execution. This enables blockchain to expand from the original monetary system to the registration and transfer of equity, creditor's rights and property rights, the transaction and execution of securities and financial contracts, and even the financial fields of gambling and anti-counterfeiting
programmable Society: blockchain 3.0 application
blockchain is the core of value Internet, which can confirm, measure and store the property rights of information and bytes representing value in each Internet. It can not only record the transactions of the financial instry, but also record almost anything valuable that can be expressed in the form of code. Its application can be extended to any field with demand, and then to the whole society
at present, the application of blockchain has begun to surpass bitcoin (blockchain 1.0), enter the era of blockchain 1.5, and transition to the financial field (blockchain 2.0)
in the next 3-5 years, blockchain may go beyond the financial field and enter the field of social notarization and intelligence (blockchain 3.0), including identity authentication, notarization, arbitration, audit, domain name, logistics, medical care, mail, visa, voting and other fields. Its application scope will be expanded to the whole society, and blockchain technology is likely to become a new technology& quot; All things are connected& quot; It's the lowest level protocol
at present, blockchain technology has been recognized by the world, and its development has become an inevitable trend. Accompanied by more people's attention, "in the next 30 years, new technologies will be integrated into all aspects of traditional instries, and human society will turn upside down. No matter who you are, no matter where you are, all of us will be a part of this great change."
this is the current situation. Blockchain has given the post-90s an opportunity. However, if you want to control blockchain technology without being affected by negative factors, the most important thing is to have a clear understanding of it, whether it is regulators, researchers, speculators or bystanders
it's time to devote more energy to blockchain technology
in China, the average annual salary of blockchain positions has reached more than 300000, and that of some enterprises has reached more than 1 million. The monthly salary of blockchain instry graates in Beijing, Shanghai and other places has exceeded 20K! If the post-90s seize the bonus of the times, they may become the next Alibaba in the future! If you miss it, you may regret it for ten years.