Fang Gang said blockchain

1.

blockchain is a term in the field of information technology. In essence, it is a shared database. The data or information stored in it is characterized by "unforgeability", "trace in the whole process", "traceability", "openness and transparency" and "collective maintenance". Based on these characteristics, blockchain technology has laid a solid "trust" foundation, created a reliable "cooperation" mechanism, and has broad application prospects

on January 10, 2019, the state Internet Information Office issued the regulations on the management of blockchain information services. In October 24, 2019, ring the eighteenth collective learning of the Central Political Bureau, general secretary Xi Jinping stressed that "block chain as an important breakthrough in core technology and independent innovation", "accelerating the development of block chain technology and instrial innovation". "Blockchain" has entered the public field of vision and become the focus of social attention

on December 2, 2019, the word was selected into the top ten catchwords of "biting words" in 2019

extended data:

Application of blockchain Finance:

since 2016, the major financial giants have also carried out blockchain innovation projects to explore the possibility of applying blockchain Technology in various financial scenarios. In particular, Puyin group took the lead in creating a "blockchain +" standard digital currency

standard digital currency refers to the process of assets identification, evaluation, right confirmation and insurance completed by a third party organization, which is written into the blockchain through careful digital algorithm to form the standard corresponding relationship between assets and digital currency, which is called standard digital currency

in order to realize the great leap forward development of blockchain finance, promote the new development of China's economy, accelerate the circulation of global assets, and realize the dream of rejuvenation that has been struggling for generations, Puyin group will hold the Guiyang strategic development ceremony of Puyin blockchain finance in Guizhou on December 9, 2016

the meeting will discuss the realization of digital circulation of assets by blockchain, the financial transaction mode of blockchain, and the application of blockchain services and social public instry. This conference will mark the beginning of the application of blockchain finance and the change and development of the new financial ecology

2. Because each block contains its own hash value and the hash value of the previous block, changing a hash value will invalidate the rest of the blockchain
if you have problems with blockchain, you are welcome to chat in private~~~~~

3. I'm very responsible to tell you that blockchain is definitely not a scam. First of all, the most talked about blockchain is digital currency. Here I want to state that there is no digital currency out at present. As you know, bitcoin, Ethereum, reborn, etc. are all digital encryption codes, and they don't have full purchasing power. At present, they are only in the stage of speculation. Blockchain is widely used in the future It will certainly overturn the existing economic model and affect the way of human life. Compared with the Internet, it will have a qualitative leap. Loser poor want to become a billionaire. This is the best shortcut. If you want to know more, you can continue to ask questions

4. The platform is not big, and the daily trading volume is only more than 1 billion. Generally, if the daily trading volume is less than 5 billion, don't consider it.
moreover, this shell has only spot and OTC, and there is no contract

5. A new payment system, you give 300 yuan to passers-by, use electronic equipment transfer, such as Alipay, Alipay verify that you have more than 300 yuan, then you give the money to Alipay, Alipay gave money to passerby a, this is a centralized mode.
the blockchain is to remove the center, you give money directly to passer-by a, and then tell everyone in the region, you give passer-by a 300 yuan, everyone will receive this information, and then when the regional information is summarized, it will be uploaded, and then the information of each block will be summarized.

6. As the most successful application of blockchain, bitcoin is hard to be popular. Hashton blockchain pays more attention to a lot of dynamic news.

7. The development is based on blockchain technology, mainly focusing on landing applications, systems, shopping malls, etc