# Onis: Cross-Chain Interactions and Security Onis is the decentralized light client that enables secure cross-chain interactions between Bitcoin and other blockchains. Users can: * **Bridge Monitor**: Participate in monitoring cross-chain operations, such as bridging Bitcoin and Ethereum, to ensure data consistency and validity. Users earn tokens by supervising and verifying the integrity of the cross-chain bridge. * **Light Client Services**: Onis allows users to provide secure and verified Bitcoin state information to various blockchain applications. This service ensures accurate and reliable cross-chain operations, and users are compensated for their contributions. By participating in Onis, users facilitate trust-minimized, decentralized cross-chain activities, earning rewards in the form of tokens from the projects they help secure. --- # 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://ola-foundation.gitbook.io/ola-documentations/how-users-earn-sustainable-and-multiple-rewards-in-ola-ecosystem/ola-a-comprehensive-earning-enhancing-layer/onis-cross-chain-interactions-and-security.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.