At somepoint someone is going to need to buy/sell bitcoin for $/€/£, when that happens you need to have some interface to the non-digital world. That requires b

At somepoint someone is going to need to buy/sell bitcoin for $/€/£, when that happens you need to have some interface to the non-digital world. That requires banking services. Places to store the money, the ability to receive the money, and the ability to send the money.