Life & fun · February 18, 2015
Stampd
A document blockchain stamping service
Stampd launched on February 18, 2015 with 68 votes, #758 of 1,772 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 11 years on.
What it does
Use the public blockchains to timestamp your files with indelible proof. Create non-fungible tokens (NFT) in Cardano.
Create (mint) an NFT and tokenize any physical object using near field communication physical tags. You will receive an NFC chip like the one on the left."> NFC tag example The cryptocurrency transaction ID is the unique identifier of your transaction on the blockchain. Timestamping and NFT creation of issued documents can allow a public verification of the issue history which is permanently recorded on the public blockchains. There is absolutely no method of potential malicious amendment at a later stage. Blockchain stamping as well as NFT minting allows a public verification of the document’s date, authenticity, origin, integrity & content without publicly exposing the content itself.…from stampd.io
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Stampd.io - A document blockchain stamping service2015 · stampd.io · ▲32Use the public blockchains to timestamp your files with indelible proof. Create non-fungible tokens (NFT) in Cardano.
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