Anchor any file — photo, document, voice note, video — to the Bitcoin blockchain in under 3 seconds. Create irrefutable proof of authenticity that no one can fake, alter, or delete.
Drop any file — photo, PDF, audio, video, contract — into the dashboard. Your browser computes a SHA-256 fingerprint locally. The file never leaves your device.
A Stacks smart contract writes the hash on-chain. The transaction settles on Bitcoin — permanent, tamper-proof, and publicly verifiable within seconds.
Download a QR certificate or share a verify link. Anyone can drop the same file anywhere and instantly confirm it's authentic — no account required.
First 30 days free on all paid plans. No credit card required. Early adopters lock in launch pricing forever.