● Photo Key wallet
Your wallet can be
a photograph.
Drop a private photo. It's read in your browser and never uploaded. Its exact pixels become a 256-bit secret, and that secret becomes your Kairos k1 address. Change one pixel and you get a different wallet.
1 · Your key
OR
PNG only, on purpose. JPEG and other lossy formats decode slightly differently in each app, which would give a different wallet. Use an original PNG and keep the exact file: the photo is your key.
2 · Your Kairos wallet
Your address appears here.
Main address · k1click to copy
Key IDcompare this in the desktop wallet
Master secret · back this upclick to reveal
More addresses from the same key
Anyone with the photo or the master secret controls this wallet. Nothing is stored or sent anywhere. Close the tab and it's gone from this page.
Check an address
Checksum and format are verified locally.
01Pixels, not the file
Decoded to exact RGBA pixels. Metadata is ignored.
02BLAKE3 derive-key
Width, height and pixels hash into a 256-bit master secret.
03Poseidon2b
The master derives spend secrets; each hashes to an address.
04No public key
On Kairos you prove you know the secret with a zero-knowledge proof. Nothing to sign.