Then again, if bitcoin crashes, at least I’ll always have the socks. Earlier this month, one college friend casually told me over drinks he’d made tens of thousands of dollars investing in another cryptocurrency. Bitcoin How to Buy Bitcoin. By linking a bank account to your wallet, you can buy and sell bitcoin and deposit that money directly into your account. According to the bitcoin program, however, the rate that bitcoin is produced cuts in half about every four years. If you feel comfortable trading on Coinbase and want to step up your trading volume, you may be ready to switch from Coinbase to Coinbase Pro.