ArcBTC has built on LNURLPoS and created bitcoinVend:
bitcoinVend: Offline bitcoin vending machine #52425 https://github.com/arcbtc/bitcoinVend
@arcbtc demoing his Offline Lightning Vending machine at #LightningHackdayIST
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Yes, LNurlpos (pos terminal for vending machines) and LNurl w (nfc card) can work for multiple devices. LNauth can work for electronic locks. https://github.com/lnbits/lnbits-legend/tree/main/lnbits/extensions
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