Arbitrum Nova
On Arbitrum Nova, the SecurityCouncil, a 9-of-12 multisig, can instantly replace the code of 16 core contracts. The L1Timelock can do the same, after a 3d delay.
On a small screen, swipe sideways across the painting.
In the room
Security council
SecurityCouncil
- Signatures
- 9/12
- Delay
- None, instant
- Holds
- 16 core keys · instant
The same people also sign as L2SecurityCouncilEmergency. Their keys are counted here once, each at its fastest path.
See the 17 keys
Core contracts
- SequencerInbox
- Bridge
- RollupProxy
- EdgeChallengeManager
- UpgradeExecutor
- ERC20Gateway
- Inbox
- Outbox
- CustomGateway
- GatewayRouter
- RollupEventInbox
- L2UpgradeExecutor · on the L2
- L2GatewayRouter · on the L2
- L2WethGateway · on the L2
- L2ARBGateway · on the L2
- L2ERC20Gateway · on the L2
Peripheral
- L2ArbitrumToken · on the L2
Timelock
L1Timelock
- Delay
- 3d
- Holds
- 16 core keys · ⏳ 3d
See the 17 keys
Core contracts
- SequencerInbox · ⏳ 3d
- Bridge · ⏳ 3d
- RollupProxy · ⏳ 3d
- EdgeChallengeManager · ⏳ 3d
- UpgradeExecutor · ⏳ 3d
- ERC20Gateway · ⏳ 3d
- Inbox · ⏳ 3d
- Outbox · ⏳ 3d
- CustomGateway · ⏳ 3d
- GatewayRouter · ⏳ 3d
- RollupEventInbox · ⏳ 3d
- L2UpgradeExecutor · on the L2 · ⏳ 3d
- L2GatewayRouter · on the L2 · ⏳ 3d
- L2WethGateway · on the L2 · ⏳ 3d
- L2ARBGateway · on the L2 · ⏳ 3d
- L2ERC20Gateway · on the L2 · ⏳ 3d
Peripheral
- L2ArbitrumToken · on the L2 · ⏳ 3d
Other roles, no upgrade keys
- ValidatorWallet · Can interact with RollupProxy
- Validator · Can interact with RollupProxy
- BatchPosterManagerMultisig · 4/6 · Can interact with SequencerInbox
- OspSoundnessGuard · Can interact with PauseExecutor
- ValidatorOwnerMultisig · 4/6 · Can upgrade with no delay
- EOA 1, EOA 2 and EOA 3 · Can interact with RollupProxy
- EOA 4 · Can upgrade with no delay
- EOA 5 and EOA 6 · Can interact with SequencerInbox
Show 2 more
- EOA 7 · Can upgrade with no delay
- EOA 8 and EOA 9 · Can upgrade with no delay
Snapshot of 23 October 2026. Live permissions on L2BEAT ↗