Optimism's proposed fallback proposer rotation

What happened

Optimism proposed rotating OP Mainnet's permissioned fallback proposer on October 27, according to its official governance proposal.

What changed

Optimism seeks authorization for the OP Enterprise proposer address, with execution targeted for November 5.

What did not change

Optimism proposes keeping the permissionless respected game, fallback implementation, and zero initial bond unchanged.

Confirmed

• Optimism proposes replacing 0x473300df21D047806A082244b417f96b32f13A33 with 0xc27ba3E0Fc01567a5E57Ae0c391AA98cECBA5bE0 as the fallback proposer.
• The proposal states that the veto period ends on November 3, 2026.
• The proposal identifies the Foundation Upgrade Safe and Security Council as the parties controlling the required owner Safe.
• Optimism states that users need to take no action.

Still open

• The proposal does not establish completed approval or execution.
• Optimism may need to repeat its simulation if execution preconditions change.

What it means for an advisor

• Ketju should check the approval outcome and executed proposer address before updating the memo's description of authorized operators.
• The proposal supports no change to the memo's withdrawal assumptions before execution.