Five practical attacks on the x402 agentic payment protocol are demonstrated across authorization, binding, replay protection, and web handling, validated on local chains, Base Sepolia, live endpoints, and three open-source SDKs.
A402: Bridging web 3.0 payments and web 2.0 services with atomic service channels
2 Pith papers cite this work. Polarity classification is still indexing.
2
Pith papers citing it
citation-role summary
background 2
citation-polarity summary
years
2026 2roles
background 2polarities
background 2representative citing papers
The first systematization of blockchain-based agent-to-agent payments organizes designs into discovery, authorization, execution, and accounting stages while identifying trust and security gaps.
citing papers explorer
-
Five Attacks on x402 Agentic Payment Protocol
Five practical attacks on the x402 agentic payment protocol are demonstrated across authorization, binding, replay protection, and web handling, validated on local chains, Base Sepolia, live endpoints, and three open-source SDKs.
-
SoK: Blockchain Agent-to-Agent Payments
The first systematization of blockchain-based agent-to-agent payments organizes designs into discovery, authorization, execution, and accounting stages while identifying trust and security gaps.