Blockchain Module
Secure, immutable contract storage and verification
Or upload a new contract
Drop your contract here
or click to browse
Supported: PDF, DOCX (Max 10MB)
Your contract is converted to a unique cryptographic hash
Hash is permanently stored on the blockchain
All signers are notified of the embedded contract
Any changes are automatically detected and reported
Drop contract to verify
We'll check if it matches blockchain records
Contract matches blockchain record
Contract has been modified
Warning: This contract does not match the blockchain record. It may have been altered after embedding.
Every word, clause, and character
Exact time of embedding
All authorized parties
Any changes or attempts
If anyone modifies even a single character in the contract, all signers are immediately notified via: