
What an x402 Receipt Can Tell You
How request-level payments work, what their receipts establish, and where agent spending needs relationship-level review.
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Product updates, research, and original films. Follow what we build and what we learn about systems of agents.

How request-level payments work, what their receipts establish, and where agent spending needs relationship-level review.
Where blockchains help investigate agent coordination, and why signatures, consensus, and honest behavior need different evidence.

What stronger execution capabilities change about delegation and oversight, alongside AgentCollusion’s negative experimental findings.

A practical account of mandates, aggregate budgets, counterparties, and recourse across autonomous payment systems.

Examining the blockchain revival thesis through working integrations, completed jobs, independent demand, and the limits of on-chain activity counts.
What humanoid progress means for delegated work, independent inspection, payment evidence, and AgentCollusion research.

Why GET, POST, and A2A operations cannot tell you who authorized a transaction or what it changed.
Astra and Fable made 96 pricing decisions across two- and four-seller A2A markets. Explore every bid, private message, and recorded outcome.
Astra and Fable completed a real A2A procurement pilot. Read all 22 role responses, the negative finding, and the protocol audit.

What the reported German wiki incident reveals about agent containment, emergent coordination, and evaluation integrity.