Blockchain is a technology that organizes a database consisting of a chain of blocks, each block containing information about the previous blocks. It is stored simultaneously on all computers of the participants of the system.
Blockchain - is a technology that organizes a database consisting of a chain of blocks, formed according to certain rules. Each cell of a block carries information about the previous cell. This technology is based on the principle of decentralization, that is, the base is not in one place, and in all the computers of the system participants, which form a network. Thus the blocks cannot be replaced or hacked, because to do so would have to hack all the computers. The advantages of this technology are simplicity, speed, security, and transparency. Let's say that if a transaction is made on the blockchain network, the information about it will remain in a million computers, meaning it will never be lost or tampered with. Blockchain technology is at the heart of how cryptocurrencies