There are several out there and all of them have the same things in common. Their fees are too high at their minimums and maximums are at the wrong places. You're going to find that the best way for you to actually use a debit card or credit card is to Simply stick with Fiat on that and then if you wish to trade back and forth but that's your choice. But I have not yet found one that has anything near the right set of numbers to make it worthwhile to be used