This applies to most HODLERs too.…...

The more and more I work on this payment stuff, the more and more I realize that most users don’t care about bitcoin/lightning/nostr/ecash. They only care about having funds in their own denomination.…...

This also looks super similar to the Bolt Payment Cards. I recall playing around with those schemes a few years ago. In essence, a Bolt Payment Card is linked to someone else’s accounting system storing your funds. Although it looks the same and the Bolt Payment Card, this scheme…...

This payment scheme approach has been long established. It used to be called ‘tokenized payment scheme’, until the word ‘tokenized’ became stupid. The most important part of the scheme is that the payer can be ‘offline’ - so long as the acquirer can get the data, they can fire it off…...

All of these card payment schemes boil down to securely protecting a randomly generated unique secret that is used to authorize a payment. Where the ‘trust’ comes into play, is what can be done in conjunction with this random secret. That’s why you have to ‘trust’ the payment terminals…...