Simply put, the new blockchain technology is an electronic ledger that stores transactions, agreements, contracts, and any data that we need to independently record or verify the existence of. Its not the same way as transactional storage, the usual data when data is stored centrally in a third party database that we trust to ensure the authenticity of that data, When using blockchain, these data are updated on the peer-to-peer network of all users in the same network. That is, everyone on the same network will be able to know all. transaction information, will verify and record that transaction in the ledger and then distribute this data to the Other features. Lockchain is a scattered dispersed database; Computers continuously carry out independent audits by verifying incoming data and comparing them with the signature of the transaction.