He's done some really interesting work in this area recently. Not sure how much is public and so I'll leave it to him to chip in!
I’m a big fan of nostr:npub1dqepr0g4t3ahvnjtnxazvws4rkqjpxl854n29wcew8wph0fmw90qlsmmgt ‘s work. Tinkered with some hardware a few years back, now getting Son 3 to do the hard work for me. I just added in some Web NFC stuff.
He's done some really interesting work in this area recently. Not sure how much is public and so I'll leave it to him to chip in!
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