# Different transport: Mainnet (GQL) and Mainnet (ADL) By clicking on the transport name at the top of your screen, you can change between various networks. ![](/files/gxlY6ajwUMz6zrssWPOD) This can be useful if you are experiencing problems with transactions through your wallet. GQL is main.ton.dev ADNL is a backup transport in case of problems with GQL In general, the difference is that GQL works faster, ADNL is a simple RPC server for a C ++ node, it works slower, but it can work with any node, in the near future we will publish it in open source and it will be possible to connect a wallet to your nodes. In general you can choose GQL, in case of problems the wallet should switch to ADNL itself. --- # 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.everwallet.net/concepts/different-transport-mainnet-gql-and-mainnet-adl.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.