Timelocks

On all active chains, the ProxyAdmin controls contract upgrades and it is owned by a TimelockController.

Chain	ProxyAdmin	TimelockController	Delay
Ethereum (core)	0xb61e0E39b6d4030C36A176f576aaBE44BF59Dc78	0x49bD9989E31aD35B0A62c20BE86335196A3135B1	10 days
Arbitrum	0x4938c803EBe999FB0A5527310662624f2E7A38C1	0xe15109D97e84cacEd271502C5D1DBbC50A4D6B0C	3 days
Base	0xDf3f5926Fd14Ed048B04941189da54BdEDD478d0	0xf425ed48483B49cF10C8a7f6cFd25dFD86d3155a	3 days
Linea	0x352E20158C9916579b337d1332F462B26A8A699c	0x6Fc178d2E40f47233960b8e784B64Dcc6ac556ac	3 days
Ink	0xdE06f1f1D0b152267310feE249F9167990E484cb	0xc430c78Da6E4AF49bD115F0329D154Bb135f1363	3 days
Mantle	0x81E5c1483c6869e95A4f5B00B41181561278179F	0x4938c803EBe999FB0A5527310662624f2E7A38C1	3 days

Note: The bridge-authority roles that are not under timelock, i.e., Arbitrum LayerZero owner/delegate and the CCIP owner/admin — are being migrated to the same timelock discipline.