关键词: 区块链, 去中心化, 共识机制, 智能合约, 核心技术, 区块链应用

Abstract: At 7:00 pm on September 14th 2017, Bitcoin China issued a notice that digital asset trading platform will stop all trading business on September 3. The well known Bitcoin collapse completely. However, as the beginning of building a value-transferring network for human, the blockchain technology behind Bitcoin is still worthy of paying more attention and in-depth research. The blockchain is an integrates application with distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and so on. This technology has been widely concerned by the government, enterprises and scholars. At present, the application of block chain has been extended to the Internet of Things, supply chain management and other fields. In this paper, we first give the definition and the classification of the block chain. Then, the features of the block chain and the workflow of the system are analyzed. Nest, the system framework and the core technology are introduced. Finally, the typical application of blockchain are discussed in the idea of the zone pain and the block chain solution in financial and non -financial areas.

Key words: block chain, decentration, consensus mechanism, smart contracts, core technology, block chain