The essence of blockchain is a consistent distributed data account book，
Distributed in all parts of the world, can cooperate with the operation of the database storage system。
All over the world deployed their own servers and connected to the blockchain network，
Become a node in the distributed database storage system; Once joined，
This node has the same rights and obligations as all other nodes。
Blockchain believes that anyone with the ability to set up a server can participate in it。
If CC is recorded in the blockchain, it will be clear from mining to finished products and cannot be changed. Blockchain provides a secure method to trace the source of CC, and provides digital records to show that CC is conflict free. This is a huge and immutable public ledger, a system more difficult to crack than any single server。
Hierarchical consensus stack technology is used to maintain high throughput and low latency. POW is used as the main consensus protocol at the bottom, and POS protocol and slicing technology are used at the top to provide faster, higher throughput, fast, flexible, low-cost, reliable and complete services。
The hash function H takes the variable length data m as the input to generate the fixed length hash value H. Hash function, hash function, hash function and hash function all have the same meaning. We call them hash function later。
Unlike symmetric encryption algorithm, asymmetric encryption algorithm needs two keys: public key and private key. Consensus algorithm is used to reach consensus for new data. Based on these points, every CC can be traced. The CC tracked by the blockchain will run through the whole value chain. No matter how many times CC has changed hands, people can easily find the owner of CC。
Blockchain technology is a supplement to the existing practice, which can not only track CC safely, but also provide effective digital proof（ Blockchain is a public record book that records the generation and death of any product, and all records are irreversible. In addition, this technology is more secure than any single service provider's system。
Private chain: internal application
That is, the application chain of terminal information flow of each production and circulation link in the organization; Alliance chain: Institutional application in the region, that is, each institution is a node and a block; Public chain: system revenue equity, that is, the application base chain for the majority of users。
In addition to physical products, a large number of other records such as multi asset books, bonds, stocks, derivatives and contracts will be allowed to be registered on them。
In order to accelerate the arrival of "digital credit society", it will inevitably lead to the change of government management form and social credibility. We believe that it is necessary for the government to participate in the development and supervision of blockchain, and should encourage in-depth research on blockchain technology and continuous practice of blockchain application。
The foundation of value interaction is the establishment of mutual trust. The revolution of blockchain technology is that it realizes a new way of trust. Through the design innovation at the technical level, the trust relationship between people can be transformed into the trust between people and technology in the process of value interaction, and even some links can be automatically executed by the program, so that business activities can be realized at a lower cost。
Blockchain anti-counterfeiting platform is based on blockchain technology, and provides interface services to external system by using the concept of open API, and provides general functions such as data verification for users of external system. Users can directly verify data / files on the system. Considering the factors of openness, flexibility, application scenarios and development potential, the project is determined to make the hyperledger fabric open source architecture。
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