Notarize documents with Gridcoin blockchain

Timestamping of documents can allow a public verification of the issue history which is permanently recorded to the public blockchain. There is absolutely no way of potential malicious modification at a later stage. Learn more here.

In order to notarize the document or check the proof of existence just drop the target file down below and follow the instructions.

The service is provided free of charge.

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Drag n drop your file here, or click to select.

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