"Blockchain" translates to "blockchain." The technology itself was invented back in the 90s. But widespread use and the very concept of "Blockchain" was first used by Satoshi Nakamoto after Bitcoin (Bitcoin) appeared in 2008 - the first and most famous cryptocurrency, a new form of digital money, which is not controlled by anyone and has a limited issue. But we'll talk about bitcoin later.... Blockchain is a decentralized database. Decentralization is when there is no third party, i.e. there is no manager, administrator or any other controlling body. Moreover, decentralization implies that there is no server that can be shut down at will. There is no such thing. All information is stored on the computers of all network users located in different parts of the world. The main principles of the technology are: