Bitcoin demonstrates a stable growth , in annual terms, price growth.
Bitcoin has much more liquidity than any other crypto currency; For the average user.
Financial and political instability can lead to the fact that in some countries, or in the world as a whole, the currency of the currency will become too unreliable to store savings, while bitcoin (along with other stable assets such as gold) will remain a solid way of saving money .
Bitcoin is so far free from that pressure and excess control, which are increasingly poisoning the lives of the owners of fiat money. States try to limit cash circulation as much as possible, and keeping money in a bank means excessive "transparency" of your finances for controlling bodies, high commissions for most banking operations and, in some cases, even a negative interest on a deposit and a cap on the possibility of cashing out the latter.