Cool demo by nostr:npub1j8y6tcdfw3q3f3h794s6un0gyc5742s0k5h5s2yqj0r70cpklqeqjavrvg and Bernard Parah (Bitnob) of a point of sale system that prints #bitcoin  vouchers and activates/uses cards at the Africa Bitcoin Conference.

#btcpay https://video.nostr.build/70a6710b196ba613496c05ba3e12c09d3c0c94f0386deba8a43eff115c1e3c84.mp4