Replying to Avatar JackTheMimic

Necessarily you have to have a "hot wallet" to have a lightning wallet. I am not sure of the question exactly, like can an NFC card copy and paste a Lightning invoice? Because you preload NFC cards with information and the purchaser is the one receiving info, not giving it. The closest to this is an on-chain Satscard but that's not lightning.
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Ancap Revolt 11mo ago

I wonder if you could scan the card, and then the POS communicates with your wallet/node to pay the invoice on the POS. I don’t think it could be done today

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Elephant in the root 11mo ago

It is absolutely possible and already implemented. The trouble with mass adoption is getting the mass to run their own servers.

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Ancap Revolt 11mo ago

Yeah that is a problem. We just need as many of us to share our nodes with friends and family as possible