Bitcoin, contrary to the claims of its critics, does not promise profit. The original value proposition of this cryptocurrency is a peer-to-peer system, the same one used in email, but applied to the exchange of value. This in itself is revolutionary, but it does not mean that its owners will get money in return. However, bitcoin, which is limited to 21 million coins, allows it to retain value. As a scarce asset, bitcoin can become the object of much speculation, as happened in 2017 or as happened with gold in 1979. Large profits attract "retail" investors, which in turn increases the number of investors, which causes prices to rise and becomes a positive thing. Investing in bitcoin requires risk management, a long-term horizon and a low percentage of capital otherwords it is said in newbies guide at crypto news site tradecrypto.com [https://tradecrypto.com/]. Thus, one can benefit from the composition of long-term profits, and this will make the investment less sensitive to high volatility in the short term.