Sign-to-Pay execution provides the **foundational legal and technical constitution** for the Agent Economy by shifting crypto from manual approvals to **policy-based autonomy**. It allows AI agents to act as independent economic actors that can settle transactions instantly within pre-defined boundaries. By encoding governance directly into the payment layer, it eliminates the "gas friction" and human bottlenecks that currently stall automation. This creates a scalable environment where agents possess the "wallet" needed to be productive while ensuring their actions remain strictly aligned with the owner's intent and security.