AttestSeal Blog
A six-part series introducing AttestSeal, the trust gap in agent commerce, the x402 integration, and the policy taxonomy agents need to apply.
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Article 1
The Trust Gap in Agent Commerce
AI agents are about to start spending money. The payment rails are ready. The trust layer is missing, and no payment company can credibly build it.
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Article 2
x402 and the New Role of Payment Protocols
Coinbase x402 turned HTTP 402 from a status code into a real wire protocol for machine payments. We extended it with cryptographic trust headers so agents can verify a merchant before paying, in the same packet, with no extra round-trip.
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Article 3
Public Legitimacy Is Not Merchant Trust
An AttestSeal recommendation of PROCEED tells you a domain is the real entity it appears to be. It does not tell you the operator has been bank-verified. The distinction matters more than it sounds, and we built the API to expose it explicitly.
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Article 4
How to Read an AttestSeal Attestation
Every AttestSeal response is a signed JSON document. This post walks through every field, what it means, and how to verify the signature in the language of your choice.
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Article 5
The Compositional Brand Anchor
How does a "popularity rank" become a security primitive? Through composition. We walk through why Tranco-rank plus aged domain plus clean reputation plus valid SSL is a stronger signal than any one of those alone, and why it cannot be spoofed.
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Article 6
Why AttestSeal Doesn't Handle Payments
We could have built a payment processor with a built-in trust score. We deliberately didn't. Neutrality is not a compromise; it is the product.