Explain the blockchain in an image

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. The term blockchain comes from bitcoin, and it is also the underlying technology of bitcoin. In short, it is an account book with incentive system. In an open transaction, everyone can keep an account according to their computing power, keep the account book updated and the transaction going on, and those who successfully keep an account will be rewarded (bitcoin), Through such self motivation, the operation mechanism that does not rely on any company or organization is called blockchain

3. Jinwowo network analysis: more vividly, the blockchain is like an electronic linked list, which is composed of blocks one by one, and contains all the valid data in these blocks. Whenever new data appears, it will be packaged and summarized into a new block according to the consensus rules on the chain, and connected to the back of the original chain. Finally, in the whole blockchain system, each participant downloads and saves the complete linked list and updates it all the time.

4. Jinwowo network analysis shows that, more vividly, the blockchain is like an electronic linked list, which is composed of blocks one by one, and contains all the valid data in these blocks. Whenever new data appears, it will be packaged and summarized into a new block according to the consensus rules on the chain, and connected to the back of the original chain
finally, in the whole blockchain system, each participant downloads and saves the complete linked list and updates it all the time.