As the most Ethereum-aligned L2, zkSync will continue to evolve with the Ethereum ecosystem. Here's how the Merge will affect zkSync:How the Merge Affects zkSync v1
About 1 hour before the Merge, we’ll suspend activity on zkSync v1. Once the Merge is complete, we’ll run a series of tests before bringing the system back online.
If you have funds on zkSync v1, they'll be secure. No action is required.