Bank transfers in the U. Get a Wallet! In most countries you will need to pay some kind of tax if you buy bitcoins, sell them, and make a gain. Taxes, delivery fees and tip make the whole calculation a bit complicated, but trust us, you can get enough pizza. See also, What Is a Distributed Ledger? On the other hand, it has been through four hard forks , irreparable splits in the blockchain that undergirds it.