Alternatives
Products that do what IOStamp.com does
Stamp it before they steal it Blockchain proof
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I got my Apple developer certificate and built a simple app to solve a problem I had. One shop I buy from doesn't have Apple Wallet passes. Since you need signed certificates to build these very simple things, I created a minimal app that signs them. It's available if you need it too. It won't scan cards with AI - you manually enter the barcode, which I think makes it less prone to error.
Dec 2025 · walletwallet.alen.ro
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2015 · stampd.io
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Get a unique seal and url that is verifiable. Display a unique badge next to your content that proves there is a human behind the content.
2023 · humanproved.com
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2025 · passportreader.app
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Hi, everyone. Been playing around with this recently as a sort of PGP successor. It's not all there yet, and I know it's missing some things from PGP, but I figured why not get a start and see what kind of interest/support it might get. https://stamp-protocol.github.io/ Effectively, this is a key management system that allows building and signing ("stamping") various claims about yourself and about others. The eventual goal is to create easy-to-use implementations of the protocol that allow logging in to websites or managing cryptographic keys for various…
2021
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Prove and verify AI-generated assets instantly
Apr 2026 · ciprian-localpulse.github.io
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Free AI video & image detector that admits when it's unsure
Aug 2026 · aiorauthentic.com
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