Despite the fact that Bitcoin today is too volatile and is used as a speculative asset, in the future Bitcoin will have the status of a reliable store for savings. The fact is that it is big capital that will raise Bitcoin even higher in price and stabilize its rate, which will allow everyone to use Bitcoin as a means of payment. At the same time, we all know about the benefits of Ethereum, not only as a coin, but as a decentralized platform for creating smart smart contracts. It is Ethereum and Bitcoin that are the leaders of the cryptocurrency market, complementing each other.