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# payments → deai → discovery → communication → protocol

1 link tagged with all of: payments + deai + discovery + communication + protocol

Links

Jay Yu 🐟 on X: "Unpacking the dAI Stack - X402 / ERC 8004 / A2A" / X

This article breaks down the deAI stack into three layers: X402 for payments, ERC 8004 for service discovery, and A2A for agent communication. It explains how these components interact to enable transactions and data exchange among AI agents.
Saved by tldr-importer · Last saved February 14, 2026 · 4 min read
deai ✓ payments ✓ discovery ✓ communication ✓ protocol ✓