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HASH.SIG

Cryptographic Fingerprint & Ledger Anchor

No Wallet Detected

CONNECT WALLET TO INSCRIBE

DROP FILE TO HASH

CLICK TO BROWSE LOCAL FILES

CLIENT-SIDE PROCESSING // PRIVACY PRESERVED

Immutable Proof

Once inscribed, your file hash is permanently recorded on the Bitcoin blockchain.

Timestamped

Blockchain timestamp proves your file existed at a specific point in time.

Private

Only the hash is stored on-chain. Your file content remains private.

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