Crypto debit cards are ok and we have a bunch of them, but what we need is a credit card that takes a loan against a crypto collateral, kinda like a Compound or Maker vault, with the 30 day period to pay your monthly statement, after that you start paying interest. It would let people save their crypto instead of spending it, and for people in countries with high inflation, even saving in stablecoin is an advantage for them, not to mention access to credit for people that might not be able to qualify. It would also let people loan their stablecoin at a rate closer to credit card interest.
