What is technology blockchain

1. blockchain is an important concept of bitcoin. According to the 2014-2016 global bitcoin Development Research Report released by fire coin and Internet Finance Laboratory of Wukou School of finance of Tsinghua University and Sina Technology, blockchain is the underlying technology and infrastructure of bitcoin. In essence, it is a decentralized database, as well as the underlying technology of bitcoin. Blockchain is a series of data blocks generated by cryptography. Each data block contains the information of a bitcoin network transaction, which is used to verify the validity of the information (anti-counterfeiting) and generate the next block
in a narrow sense, blockchain is a kind of chain data structure that combines data blocks in chronological order in a sequential way, and it can not be tampered with and forged by cryptography. In a broad sense, blockchain technology is a new distributed infrastructure and computing paradigm, which uses blockchain data structure to verify and store data, uses distributed node consensus algorithm to generate and update data, uses cryptography to ensure the security of data transmission and access, and uses intelligent contract composed of automated script code to program and operate data
domestic blockchain application platforms include digital currency crowdfunding platform, asset custody system based on blockchain technology, which is jointly developed by coin Ying China, China Post and IBM.