Instead, Coinbase charges users a small fee of about 2.5 percent to convert fiat money, such as the British pound, into a cryptocurrency, like ethereum.
source https://www.google.com/url?rct=j&sa=t&url=https://www.cnbc.com/2019/04/11/coinbase-launches-debit-card-in-uk-to-pay-by-crypto.html&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNG1wl4ioK-NErxl7bdfkj547bd22Q
