# Summary The Molecule Protocol is a permissioning protocol that provides a way for smart contract developers to define and enforce access control rules based on a wide variety of criteria. It offers a range of smart contracts that can integrate several Logic contracts, enabling users to check if an Ethereum address is present in a sanction list or an allow list. The Protocol is user-friendly, flexible, and can be customized to meet specific requirements. It was initially designed to address AML/KYC requirements in the DeFi space, but its use cases extend beyond traditional finance and into gaming, rewards, loyalty, subscriptions, and other sectors. Overall, the Molecule Protocol provides a flexible and extensible framework for implementing custom permissioning rules in smart contracts. --- # 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://docs.moleculeprotocol.io/summary.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.