NTAG4XX cards have a chip that prevents double billing and fraud with internal counter and extra parameters for every spend. True, we didn't use it Riga, but we can get this setup for future conferences... then the problem you mention will be solved.
I have also spoken with Vivek from Coinkite on getting SatsCards working with on BTCPay POS... can be done, just if enough time in the day can be found for coding...
UNCLE ROCKSTAR
npub1j8…avrvg
2023-09-09 18:53:23
in reply to nevent1q…3w3f
Author Public Key
npub1j8y6tcdfw3q3f3h794s6un0gyc5742s0k5h5s2yqj0r70cpklqeqjavrvgPublished at
2023-09-09 18:53:23Event JSON
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