# VIII. Frequently Asked Questions 1. **What is the gas token on Stavax Testnet?** Initially, the gas fee remains denoted in $AVAX. In the future, you will have the option to utilize $STA for gas fee payments. 2. **What is Omnichain?** Omnichain enables seamless and secure communication and interaction of data and assets across various blockchains, enhancing interoperability. Omnichain can be understood as including Multichain and Cross-chain. Because Multichain is multi-chain, and Cross-chain is cross-chain interaction, when we combine these two features, it is Omnichain. Omnichain is a multi-chain connection and those chains can interact with each other. --- # 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://whitepaper.starmech.io/viii.-frequently-asked-questions.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.