New registration
Register a fingerprint
Each registration uses 1 credit. Only the SHA-256 fingerprint is sent, unless you choose to store a copy. The record is chained into the public ledger and timestamped by FreeTSA.
Drop a file, or click to choose
Hashed locally with WebCrypto. The file does not leave your device.
Also store a copy Premium
Uploads the file to private storage (max 25 MB). The server re-hashes it and rejects mismatches. You get a one-time retrieval code.
Optional details
Identity details are your own claim. This registry does not verify them.
Your credit key · each registration uses 1 credit.