# Trading pipeline Users can deposit funds, withdraw funds, add orders and cancel orders ("**Events**") via the backend API. All Events will enter a unified queue where they are **processed sequentially**. Our backend will keep track of the **real-time state of the Exchange** and perform **roll-ups into the smart contract**. The roll-ups consist of the **same events**, in the **same order** as they happen in real-time, ensuring the smart contract is in sync with the real-world state of the Exchange. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://layer-akira.gitbook.io/layerakira-documentation/integration/technical-overview/trading-pipeline.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.