Polygon PoS
On Polygon PoS, the PolygonMultisig, a 5-of-9 multisig whose signers include the Katana Foundation Engineering/Security Multisig and the Polygon Labs Engineering/Security Multisig, can instantly replace the code of 9 core contracts.

On a small screen, swipe sideways across the painting.
In the room
Team multisig
PolygonMultisig
- Signatures
- 5/9
- Delay
- None, instant
- Holds
- 9 core keys · instant
Signers include Katana Foundation Engineering/Security Multisig (2/5) and Polygon Labs Engineering/Security Multisig (2/7).
See the 14 keys
Core contracts
- WithdrawManager
- DepositManager
- ERC20Predicate
- StakeManager
- Governance
- EtherPredicate
- RootChain
- MintableERC20Predicate
- EventsHub
Peripheral
- ERC1155Predicate
- MintableERC1155Predicate
- MintableERC721Predicate
- ChainExitERC1155Predicate
- ERC721Predicate
Other roles, no upgrade keys
- RootChainManager · Can interact with ERC1155Predicate
- PolygonMultisig2 · 4/12 · Can interact with RootChainManager
- EOA 1 · Can interact with ChainExitERC1155Predicate
- EOA 2 · Can interact with ValidatorPass
Snapshot of 23 October 2026. Live permissions on L2BEAT ↗