Are cross-chain contract calls supported between Arbitrum and Optimism network? January 19, 2023 04:54 Updated Yes. Please have a look here: https://bridge.connext.network/from-arbitrum-to-optimism Related to feature technical Related articles Is there a way to force only one-step routes? Can we use testnets in widget? Are cross-chain swaps atomic? How to get the tx hash once a swap starts executing when using the SDK via executeRoute? What happens behind the API when it comes to fetching quotes?