Select a file from your browser, add a text note and just click the forward button. The sha256 checksum of the file will be calculated by your browser, and a preview of the notarization will be presented. You can than proceed with singing the metatransaction with Metamask and than send to our backend to finalize the notarization.

notes cannot be longer than 10000 bytes
insert a 32 bytes value encoded as hex string
example: 0x2c829384fc8a8a4b49aa38b3fddfc1c213c78c707b010724cd9e1f596b58246a
insert a 32 bytes value encoded as hex string
example: 0x2c829384fc8a8a4b49aa38b3fddfc1c213c78c707b010724cd9e1f596b58246a
insert a 32 bytes value encoded as hex string
example: 0x13c78c707b010724cd9e1f596b58246a2c829384fc8a8a4b49aa38b3fddfc1c2
fee must be an integer betwheen 2 and 15
timeout must be an integer betwheen 60 and 600