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What are the applications of blockchain in real life, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, hope you can gain something.

Blockchain technology has attracted a lot of attention. It changed the rules of the game, just like the early days of the Internet in the 1990s. However, people often confuse the terms "blockchain" and "bitcoin". What we don't realize is that Bitcoin or cryptocurrency is just an application of blockchain technology, a distributed digital ledger that is at the heart of the transfer to multiple industries.

I. Intelligent contract

According to Nick Szabo, a computer scientist, he was the first to come up with the concept of an intelligent contract, a digital transaction agreement that enforces the terms of a contract. When we hear about the "contract", you will regard a signed piece of paper as a legal agreement between the two parties. An intelligent contract based on blockchain is a digital contract that runs on a computerized transaction protocol supervised by multiple nodes connected to the blockchain network.

Because the blockchain Protocol runs on distributed systems between all licensees, it can run and maintain itself, eliminating the need for middlemen such as lawyers or notaries. Compared with traditional systems, smart contracts are transparent, traceable, secure and irreversible, which is why some industries turn to blockchains.

II. Voting

Elections are the pillars of democracy. However, the security of the voting platform has been questioned and criticized for many years. In fact, the central server, which is vulnerable to sabotage and hacking, is very vulnerable to destruction, undermining the legitimacy of the election. However, if the application is developed using blockchain technology, the entire voting process can be encrypted and transparent. The convenience of digital voting and the invariance of block chain eliminate the problems of repeated voting, tampering voting and deletion voting.

III. Health care

Blockchain http://www.gendan5.com/digitalcurrency/btc.html technology is infiltrating the healthcare industry in subtle but beneficial ways. With the emergence of the Internet of things (IoMT) and the medical examination system implementing artificial intelligence, the application of blockchain technology will soon completely change the medical and health industry through its interoperability, data portability, integrity and security.

This distributed book technology is very suitable for solving distributed challenges related to medical data. These three main areas are expected to benefit from blockchain database technology, including clinical trials, compliance and monitoring, and medical records.

IV. Food safety

Is blockchain used for food safety? That's not surprising. Technical experts believe that blockchain technology can improve the entire data management process in a complex network of farmers, brokers, dealers, processors, retailers, regulators and consumers.

In retrospect, we can easily find a series of events in which a batch of shoddy food forced chain restaurants and food companies to close down. The infant milk powder scandal in China in 2008 and the E. coli outbreak in North America in 2006 are examples. At present, the food industry still lacks transparency and trust, which makes it very challenging to determine the exact location of the problem in the supply chain. Through the accountability and traceability of the blockchain, consumers can easily track their food from one farm to another.

V. Network security

In this era of mobile Internet, which poses a constant threat to consumers, the number of data leaks has soared. According to the summary of the identity Theft Resource Centre report, "between 1 January and 2 July 2018, 22408258 records were damaged by 668 violation records."

In 2018, Ponemon reported: "the average total cost of data disclosure is $3.86 million and the organizational cost of using security automation is $1.55 million."

A disturbing rise in data breaches and hacker attacks forces organizations to upgrade their network security solutions to match the methods of malicious actors.

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