> For the complete documentation index, see [llms.txt](https://docs.mode.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mode.network/other-docs/general-security/security-upgrades/06-08-2024-mode-mainnet-key-handover.md).

# 06/08/2024 Mode Mainnet Key Handover

Mode has successfully completed the Mainnet key handover to the Optimism Security Council.

Key handover transaction: <https://etherscan.io/tx/0xf4e7778523991cf6c4b305970c2c9e71ef27f652e475bb42302d582fa613f5a3>

The key handover is a crucial step forward for Mode as a leading Superchain team and will enable Mode to benefit from interoperability upgrades.