Comments on the development of blockchain technology from the perspective of patent analysis

摘要

Blockchain is a new application mode of distributed data storage with point-to-point transmission,consensus mechanism,encryption algorithm and other computer technologies.In particular,blockchain is a kind of chained data structure that combines data blocks in sequence in accordance with time and an unchangeable and unforgeable distributed ledger that is ensured by cryptography.It utilizes distributed node consensus to generate and update data and cryptography to secure data transmission and access(Yang,2017).The characteristics of blockchain include decentralization,openness,independence,security,and anonymity.Blockchain is widely used in trading securities,e-commerce,Internet of Things,social media,file storage,authentication,stock crowdfunding,and many other fields because of its core technologies.