Building a Cryptographically Secure 4-Agent E-Commerce System: A Practical Guide

The Problem: Agent Trust Is Broken by Default Here's a scenario that keeps me up at night: You have a payment agent on your network that accepts POST requests to /charge. It doesn't know if that request came from your order agent, a replayed token, or something else entirely on your network. That's not a theoretical risk. That's an open door. Multi-agent e-commerce systems are the perfect example of where agent trust actually matters.