> If you have 5 shares of Amazon and 6 shares of Apple...which stock does your debit card provider sell to cover your latte? Presumably this would work the sam

> If you have 5 shares of Amazon and 6 shares of Apple...which stock does your debit card provider sell to cover your latte? Presumably this would work the same way Coinbase will choose whether to sell some of your bitcoin or some of your ethereum (i.e. you choose)