blockchain

A blockchain is a technology for storing and transmitting information without a central authority. Technically, it is a distributed database. including information submitted by users and internal links. at the base are checked and grouped at regular time intervals into blocks, thus forming a chain. Everything is secured by cryptography. By extension, a blockchain is a distributed database. Who manages a list of records protected against tampering. Or modification by storage nodes. It is therefore a distributed. And secure register of all the transactions carried out since the start of the distributed system.