Assertions are enforced by the network itself. Not by a monitoring service that might go down. Not by a dashboard that might miss something. Not by an AI model that might guess wrong. By the same consensus mechanism that validates every transaction. The same validators that secure billions in value. The same network that has never been successfully attacked. When your assertion says "this invariant must hold," the network enforces it. Period. If a transaction would violate your security property, it doesn't get a warning. It doesn't get flagged for review. It doesn't execute. The network itself *is* your security layer.