Confidential AI image generation, paid in sats, where the node you pay never sees your prompt or your picture.
Your browser opens the TLS connection to the provider itself. The routstr (npub130m…l29s) node (routstr.cypherpunk.today) only relays encrypted bytes and adds its API key, without ever giving you the key. Zero-knowledge proofs make sure the request it relays is exactly the model, size and number of images you paid for, and you get a signed receipt for a flat, pre-agreed price. No trusted hardware or account.
It works today in the browser: switch the demo app to Image mode, pick a model, and the image comes back to you encrypted end to end. A cold request takes about 10 to 17 seconds, mostly the provider drawing.
App: https://jooray.github.io/routstr-confidential-pwa/
Code and paper: https://github.com/jooray/routstr-confidential
Juraj / Juraj🏴💛🌘
npub1m2…lr8p9
2026-10-19 12:04:00 UTC
Author Public Key
npub1m2mvvpjugwdehtaskrcl7ksvdqnnhnjur9v6g9v266nss504q7mqvlr8p9Published at
2026-10-19 12:04:00 UTCEvent JSON
{
"id": "651a82645ce2cbaf05dadcbdffc97581b5a124b26f542f6b169e31e51abd205a",
"pubkey": "dab6c6065c439b9bafb0b0f1ff5a0c68273bce5c1959a4158ad6a70851f507b6",
"created_at": 1792411440,
"kind": 1,
"tags": [
[
"p",
"8bf629b3d519a0f8a8390137a445c0eb2f5f2b4a8ed71151de898051e8006f13"
]
],
"content": "Confidential AI image generation, paid in sats, where the node you pay never sees your prompt or your picture.\n\nYour browser opens the TLS connection to the provider itself. The nostr:npub130mznv74rxs032peqym6g3wqavh472623mt3z5w73xq9r6qqdufs7ql29s node (routstr.cypherpunk.today) only relays encrypted bytes and adds its API key, without ever giving you the key. Zero-knowledge proofs make sure the request it relays is exactly the model, size and number of images you paid for, and you get a signed receipt for a flat, pre-agreed price. No trusted hardware or account.\n\nIt works today in the browser: switch the demo app to Image mode, pick a model, and the image comes back to you encrypted end to end. A cold request takes about 10 to 17 seconds, mostly the provider drawing.\n\nApp: https://jooray.github.io/routstr-confidential-pwa/\nCode and paper: https://github.com/jooray/routstr-confidential\n\nhttps://blossom.primal.net/9f63dc24312dfcb2ba4c3199a8f06fe4f042a109af965a95e7d591d121c8b218.mp4",
"sig": "430f9ea290e202080248b8b928aa216c7366b9d16c480c25b896f375f8bb0d50aebedb38a1d75d419f688d6e4a7422614a61f86317a8f23d100c6cfee5b9034c"
}