Nostr Web Client

This is amazing but I didn’t understand. The receiver didn’t specify an amount like you would do in a credit card payment. Is this just receive full amount stored in the card 🤔

Uxellodunum 1y ago

This isn't supposed to be a debit card.

It's an ecash note.

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Discussion

calle 1y ago

I think it's still a valid question and actually the biggest challenge in this current design. Either the card needs brains to do coin selection, or the receiver NFC reader must select the correct amounts it wants to withdraw.

x 1y ago

Someone in my DMs proposed javacards. They would supposedly be able to do some offline coinselection.

mutatrum 1y ago

Could this technically be done with a Java card?

calle 1y ago

It would be so much better with a Java card!