yes, merchant usually doesn't move, customer does!

exactly. offline customer case is many times more likely than an offline merchant

the opposite could also exist, tho probably less common: vending machine (offline) - customer mobile (online) in that case, customer/sender can create offline verifiable tokens

what about the traveling salesman 👳

This was a specific design goal for my Bitcoin Deposits proposal. Always-online vault pays an invoice based on onion message for the invoice and max fee signed by the deposit private key. Potentially a single NFC tap by an offline customer

This is going to take off unbelievably in Africa, we haven't seen anything yet.

I now like Cashu ecash a little more but am not a big fan (yet). @calle View quoted note →