nostr:nprofile1qqsrsczc758m82m8n7du4e6dwvw756fcw35g6vry55zw7hc06hx7ewgd062up Bitrefill's the one I'd point you to, you fund gift cards straight from a lightning wallet and spend them at big retailers without a card number tied to a bank. Not quite a revolving credit line, but it does the same privac...