# Announcement on upgrading of cross-chain scope backed by iSwap on MDEX protocol MDEX updated the cross-chain scope to provide users with more convenient cross-chain services at 18:00 (UTC+8) on April 14, 2022. Users can now cross USDC and ETH between HECO and BSC through the cross-chain bridge provided by third-party, iSwap. MDEX will continue to provide users with better products service! Disclaimer: this feature is provided by a third-party iSwap who is responsible for it. Any problems, please contact iSwap. It's recommended to understand the cross-chain exchange process and iSwap. MDEX will not be responsible for losses caused by human misoperation, asset value fluctuations or other uncertain factors. There is a risk in the cross-chain of assets, please be caution! MDEX Team April 14 2022 --- # 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://mdexdoc.gitbook.io/doc/announcement/announcement-on-upgrading-of-cross-chain-scope-backed-by-iswap-on-mdex-protocol.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.