The cryptocurrency markets have calmed down a bit since that record high, but many Bitcoin evangelists still claim Bitcoin to be the currency of the future. Ledger Nano X. PS: you can also check out our BitPanda review! Most Bitcoin exchanges will let you specify the amount of fiat currency you want to spend and in exchange sell you the equivalent amount of Bitcoin. This is a form of a wallet that is accessed as a mobile phone app. The features of Bitcoin are:. It’s hard to buy large amounts of bitcoins with a CC or DC.