CoinCorner just announced The Bolt Card, great looking NFC cards that you can use to tap to pay using lightning.
I really like this concept because it means that you can pay exactly in the same way that you would pay with a credit card, but only using Bitcoin. There's no legacy financial institution in between you and the goods and services you're paying for. And if you get paid in Bitcoin then you would be living completely in a Bitcoin standard!
Now, in theory they made this card to be used with their CoinCorner exchange (and they provide free lightning deposits and withdrawals so the service is basically free), but you don't have to because it's simply a NFC card that stores a LNURL.
Here's what you'll need to pay with this card without using a CoinCorner account:
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One of these awesome Bolt Cards (a blank NFC card works as well but it's not as cool)
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A phone with NFC (Tried this in Android but iPhone should work as well)
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Either your own lightning node or an external service like ln.cash
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An app to write NFC like NFC Tools. This one is free and works great. There should be similar ones for iPhone as well.
Now, the idea is that basically you setup access to your Bitcoin through LNURL, in particular you create a LNURL-Widthdraw link. You can do this with your own lightning node, or simply using a third party service like ln.cash. Once you have that link, you simply write that as a lightning url in the NFC card. Here's a video that shows how to set up a card with ln.cash.
And that's pretty much it!, you can now use the card to pay with lightning with a simple tap.
This card works great with BTCPayServer so any store that has that should accept it. You just need to click on "Pay by NFC & LNURL-Widthdraw" in the checkout and then it's ready to receive the tap of the card. Here's a video of that in action
With this card and BTCPayServer you basically can connect two people exchanging goods and services directly through lightning with just a tap of a card, no need for credit card companies and their fees!