What is a Bitcoin address? You will likely need to change the permissions on all python scripts when executing these tools. Henry Dalziel 23 Feb Reply. We find here another difference between Bitcoin wallets and Bank accounts. These private keys act as the proof of ownership for our Bitcoins. If you are serious about using and investing in various cryptocurrencies, then you will need to get a hold of a hardware wallet, possibly more than one. Electrum is available for Windows, OSX, and Linux and is our recommended software wallet for beginners.