Blockchain Certification
Certify Files
Create immutable proof that a file existed at a specific point in time. Your file never leaves your device.
Tamper-proof
Instant verification
How File Certification Works
1
Your file is hashed locally using SHA-256. The file never leaves your device.
2
The hash is stored on the blockchain with your wallet address and timestamp.
3
Anyone can verify a file by computing its hash and checking if it exists on-chain.
Use Cases
Intellectual Property
Prove when you created a design, code, or idea before anyone else.
Legal Documents
Timestamp contracts, agreements, and evidence with blockchain certainty.
Research Priority
Establish when a discovery or finding was first documented.
Audit Trails
Create verifiable records of documents at specific points in time.