Replying to Avatar Tim Bouma

I have to get my head back into this and think deeply about it. Right now I see the npub as the ultimately resolvable address. NIP-05 does the job with a provider you trust. Pragmatically, this is the solution in the near term. I like the idea of being able to resolve with a BTC OP_RETURN transaction but haven’t put much thought into it yet.
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mfostr 6mo ago

I have thought deeply about it and have some ideas. 💡⚡️

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Tim Bouma 6mo ago

Awesome! Keen to hear some more!

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mfostr 6mo ago

First off here are the resources from the ICANN for blockchain integration including payments.

https://www.icann.org/en/system/files/files/octo-039-17oct24-en.pdf

https://github.com/icann/octo-039-040-v2

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Tim Bouma 6mo ago

I’ve built #nostr #safebox to be independent of the web app and nip-05 provider. The npub of the safebox is its address and numerous lightning address and nip-05 providers can resolve to the same safebox instance.

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mfostr 6mo ago

I’d like to try it out. I like the concept of using Web NFC and NDEF. What size cards are you using?

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Tim Bouma 6mo ago

NTAG215. 504 bytes. Only works with Chrome/Android Web NFC for now.

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mfostr 6mo ago

I tried this size and my CASHU tokens were too big? How are you writing the claims to the card?

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Tim Bouma 6mo ago

Yeah, I use a completely different approach for #nostr #safebox. I replicate what’s done by the card networks by generated an encrypted secret on the card. The token on the nfc card gets submitted along with the payment request, decrypted and sent along to a NWC server to execute the payment instruction.

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mfostr 6mo ago

Do you have an Open Git repository for this specifically? I am going to try it.

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mfostr 2mo ago

Have you looked into NTAG424 DNA?

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Tim Bouma 2mo ago

Looks interesting. I build the security into the tag itself, including an encrypted PIN so don’t really need the card security.