Use cases

What people prove with notaros.

Anywhere a document’s date and integrity matter, an independently verifiable timestamp is worth having. Here is where blockchain notarization earns its keep.

Legal evidence

Timestamp evidence so it holds up

When a document’s date or integrity is contested, the strongest thing you can show is independent evidence: a fingerprint anchored…

Prove you had it first

Priority is everything in IP. Blockchain notarization lets you prove a concept, design, manuscript, or trade secret existed on a s…

Prove a photo, video, or story existed

In an era of manipulated media, being able to prove when a photo or story existed and that it has not been edited since is a credi…

Timestamp a source-code release or disclosure.

Whether it is a release build, a license boundary, or a coordinated security disclosure, being able to prove this exact code exist…

Prove a contract or agreement existed and is unchanged.

Contracts get disputed over versions and dates. Blockchain notarization lets both sides prove which exact document existed when — …

Timestamp datasets and results for research integrity.

Reproducibility and priority both depend on fixing what you had and when. Blockchain notarization gives researchers tamper-evident…