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Opago and Lnbits did this in a very simple manner with those offline POS devices
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Thanks @DarthCoin! :)
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you guys should do a massive campaign in Colombia as you did in Germany / Austria.
Problem solved.
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Opago and Lnbits did this in a very simple manner with those offline POS devices
Thanks @DarthCoin! :)
you guys should do a massive campaign in Colombia as you did in Germany / Austria.
Problem solved.
In the end, I think that all an agnostic countertop terminal needs is an lnaddr in secure memory and a state poller. Can build this into an ESP8266.
Edit: re: payment processor. Yes. It's shiny until the rug.