Live on Solana devnet
Prove any document
existed right now
ProofGate hashes your content and anchors it to the Solana blockchain. Immutable, verifiable, permanent proof of existence — in seconds.
1
Upload or paste
Submit any file or text. Nothing is stored — only the SHA-256 hash.
2
Anchored on-chain
The hash is written to Solana via the Memo Program. Immutable and public.
3
Share & verify
Get a shareable link. Anyone can independently verify the proof.
Create a Proof
Proof Created
Use Cases
Intellectual Property
Prove you wrote that code, designed that logo, or composed that song before anyone else.
Legal Contracts
Timestamp the exact version of a contract that was agreed upon.
Research & Data
Prove your dataset or findings existed before publication.
Compliance & Audit
Create tamper-proof audit trails with blockchain-anchored timestamps.