Cryptocurrency is a type of digital currency protected from counterfeiting, which can be stored in electronic wallets, as well as transferred from one wallet to another. At first glance, cryptocurrencies look like ordinary electronic payment systems, but in fact they have a number of fundamental differences, the main of which is their peer-to-peer architecture (P2P), i.e. the entire system that ensures transactions and stores information about them is based on a decentralized computer network...