Series

A2A AI agent Security and Caging

A2A protocol security layer for AI agents

Stop using API keys for AI agents. Here's what replaces them.
Your AI agents are talking to each other right now. Agent A calls Agent B. Agent B calls Agent C. Agent C calls an external API. Every hop is an API request. How are you securing them? If you said "AP
Apr 23, 20263 min read
Codios Quickstart: Add cryptographic authorization to AI agents in 5 minutes
API keys authenticate. They don't authorize. For AI agents calling each other, that's a problem. Agents need scope, limits, expiry, and audit trails — not just a shared string. Codios solves this with
Apr 23, 20264 min read1
Stop Guessing Who's Calling Your Agents: Cryptographic Contracts in E-Commerce
The "Trust Me" Problem You've built a beautiful multi-agent e-commerce system. The payment agent processes charges. The inventory agent manages stock. The fulfillment agent talks to an LLM. Everything
Apr 25, 20263 min read
Agent Infrastructure in 2026: The Builder, the Trust Layer, and the Governance Layer. AI Agent Caging.
Why every production multi-agent system needs three distinct infrastructure concerns addressed — and how Conduit, Codios, and A2A address each one. The agentic AI wave has produced an interesting inf
Apr 26, 20266 min read
AI Agents Can Trust Each Other. They Still Can't Do Business Together.
The part we've already solved Cryptographic identity for AI agents? Done. Ed25519 keypairs, DID:key identifiers, signed capability contracts — the infrastructure for agents to verify who they're talki
Apr 26, 20265 min read1
Stop Giving Your Agents API Keys. Do This Instead.
A practical guide to cryptographic contracts and OBO tokens for agent-to-agent and external API security. You wouldn't give every employee a master key to the building. So why are you giving every ag
May 2, 20264 min read

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