Verify a Proof

Enter a document hash or Solana transaction signature to verify.

Verify by Hash

Hash your file locally and check if it has been attested:

Tip: sha256sum yourfile.txt or echo -n "text" | sha256sum

Enter a Solana transaction signature to inspect the memo:

Select a file to compute its SHA-256 hash in your browser (nothing is uploaded):

Click to select a file

SHA-256 hash computed client-side