> For the complete documentation index, see [llms.txt](https://docs.autonos.vip/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.autonos.vip/3.-system-architecture-the-autonos-kernel/3.2-smart-containers-the-logic-sandbox.md).

# 3.2 Smart Containers: The Logic Sandbox

Security in an autonomous system must be proactive, not reactive. AutonOS introduces the concept of **Smart Containers**—isolated execution environments for every individual agent.

A Smart Container serves as a cryptographic sandbox. When a user deploys a "Stablecoin Yield Hunter" agent, that agent is confined within a container that possesses its own set of immutable rules:

* **Asset Segregation:** The agent can only interact with assets specifically allocated to its container.
* **Protocol Whitelisting:** The agent's logic is physically unable to call functions on unapproved contracts (e.g., it can interact with Aave but cannot send funds to an unknown mixer).
* **Deviation Limits:** The Kernel monitors the agent’s output. If an agent’s logic attempts to execute a transaction with a 10% slippage when the user set a 1% limit, the Smart Container "Fault-Interrupts" the transaction before it reaches the network.

**The Verification Cycle**

*Every transaction generated by an agent undergoes a 'Pre-Flight Simulation' within the Smart Container. The Kernel simulates the state-change against the current blockchain head. Only if the simulation matches the User’s Risk Policy does the transaction proceed to the Low-Latency Synapse for broadcasting.*


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