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2026-01-10 · 3 min read
Building a Web of Trust with URLs
Building decentralized trust using DNS and URLs. How did:web enables verifiable identity without blockchain.
The Pain Point
"I trust Alice." Alice trusts Bob. Should I trust Bob? Maybe a little bit. Real trust is a network, not a list. Current systems force you to manually check everyone.
The Solution: Follow the Links
Vouch Credentials contain URLs to other credentials.
- "I am a Senior Dev" (Signed by Google) -> URL to Google's issuer key.
- "I wrote this code" (Signed by Senior Dev) -> URL to "Senior Dev" credential.
The verifier software automatically follows these links (spidering) to build a Trust Graph. It calculates a "Trust Score" based on who vouched for whom.
Why It Matters
- Scale: You don't need to know everyone personally. You just need a path of trust to them.
- Nuance: Trust isn't binary (Yes/No). It's a gradient based on the strength of the chain.
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