Base Chain

Stage 1Optimistic Rollup$15.0B secured

On Base Chain, the Base Governance Multisig, a 2-of-2 multisig made up of the Base Coordinator Multisig and the Base Security Council, can instantly replace the code of 13 core contracts.

Oil painting of Base Chain's governance: the key-holders seated in a council gallery, their keys hanging below.

On a small screen, swipe sideways across the painting.

In the room

Team multisig

Base Governance Multisig

Signatures
2/2
Delay
None, instant
Holds
13 core keys · instant

Signers include Base Coordinator Multisig (3/6) and Base Security Council (8/11).

See the 28 keys

Core contracts

  • DisputeGameFactory
  • OptimismPortal2
  • L1StandardBridge
  • L1CrossDomainMessenger
  • TEEProverRegistry
  • DelayedWETH
  • DelayedWETH
  • AnchorStateRegistry
  • DelayedWETH
  • L2CrossDomainMessenger · on the L2
  • L2StandardBridge · on the L2
  • L2ToL1MessagePasser · on the L2
  • ProxyAdmin · on the L2

Peripheral

  • SystemConfig
  • SuperchainConfig
  • L1ERC721Bridge
  • OptimismMintableERC20Factory
  • ProtocolVersions
  • SequencerFeeVault · on the L2
  • OptimismMintableERC20Factory · on the L2
  • L1BlockNumber · on the L2
  • L2ERC721Bridge · on the L2
  • L1Block · on the L2
  • OptimismMintableERC721Factory · on the L2
  • BaseFeeVault · on the L2
  • L1FeeVault · on the L2
  • SchemaRegistry · on the L2
  • EAS · on the L2

Single key

EOA 2

Delay
None, instant
Holds
1 peripheral key only
See the 1 key

Peripheral

  • FeeDisburser · on the L2

Not in the painting

2 upgradable contracts have no key-holder named in the data, so they are not hung on the rack: wstETHEscrow, SkyLink Bridge (admin renounced).

Other roles, no upgrade keys

  • Base Multisig 1 · 3/12 · Can interact with SystemConfig
  • EOA 1 · Can interact with SystemConfig
  • EOA 3 · Can interact with TEEProverRegistry

Snapshot of 23 October 2026. Live permissions on L2BEAT ↗