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Trusted URLs with Cryptographic Signatures

Hacker News •
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Certisfy's new sticker functionality allows users to publish cryptographic signatures as claims, enabling the sharing of trusted URLs. By embedding links within verifiable claims, users can project trust and authenticate the source of information. This is particularly valuable in an AI-driven online environment where authenticity is paramount.

The system addresses issues stemming from reliance on secrecy for information security, which is often compromised by data breaches. Instead, Certisfy promotes just-in-time information verification. This approach also combats scams originating from unknown contacts, such as calls, texts, and emails. By using verifiable sticker codes, users can authenticate legitimate communications from known entities like a doctor's office.

This initiative builds on previous experiments like a browser extension using IRS access for ID certificates and the trust relay protocol. The Certisfy app and service aim to create a "verified web" by leveraging existing trust infrastructure and mechanisms like .gov email addresses to bootstrap cryptographic trust chains.