Querying DNS in a fully self-validating manner is pretty trivial, so much so you can shove it in a small webpage :)
Shove Bitcoin payment instructions in TXT records and now you can get easy internet-less self-validated proofs of payment instructions! A hardware wallet can even check it and display a nice human-readable name for payments, talk about awesome UX.
https://http-dns-prover.as397444.net
Test looking up matt.user._bitcoin-payment.mattcorallo.com. TXT :)
matt / Matt Corallo
npub185…swrdp
2024-02-08 22:08:35
Author Public Key
npub185h9z5yxn8uc7retm0n6gkm88358lejzparxms5kmy9epr236k2qcswrdpPublished at
2024-02-08 22:08:35Event JSON
{
"id": "690976e5bd49069c86ff962ca0eab9fee23de0cc276711ceaa9faa240841dc45",
"pubkey": "3d2e51508699f98f0f2bdbe7a45b673c687fe6420f466dc296d90b908d51d594",
"created_at": 1707426515,
"kind": 1,
"tags": [
[
"r",
"https://http-dns-prover.as397444.net"
]
],
"content": "Querying DNS in a fully self-validating manner is pretty trivial, so much so you can shove it in a small webpage :)\n\nShove Bitcoin payment instructions in TXT records and now you can get easy internet-less self-validated proofs of payment instructions! A hardware wallet can even check it and display a nice human-readable name for payments, talk about awesome UX.\n\nhttps://http-dns-prover.as397444.net\n\nTest looking up matt.user._bitcoin-payment.mattcorallo.com. TXT :)",
"sig": "5b8095308c60665000d1e9627e82d878418e767654ffffe73dc6907c1d45980f7bdd0f62a1c78fd6a8eb718f5f083966d2fb5aaed031fc1cdaf61f716f8b41b0"
}