0 sats \ 0 replies \ @nullama 19 Jun 2023 \ parent \ on: Daily discussion thread
Yeah, it's similar to a QR code but with NFC.
The link goes to the server, ideally controlled by you and not a company, and there you can setup anything you want to allow, say a maximum of sats, etc.
Boltcards are ideal for this. Note that you don't need to have an account with them to buy or use the card. And they ship worldwide, they are nice cards.
You can create your own open source boltcard server here