Optimism to Halt ETH Withdrawals for Testing Upgraded Incident Response System
On February 15, the Optimism network will suspend ETH token withdrawals to test an updated security response system. Withdrawals will not be possible for one hour, the developers said.
According to the announcement, ETH withdrawals from Optimism’s Level-2 network to the main Ethereum network will be suspended, while the ability to make deposits from the main network will not be affected. Users will also be able to perform regular transactions.
During this exercise, L2-to-L1 withdrawals will be paused. L1-to-L2 transactions are not affected. Smart contract calls and RPC calls involving withdrawals to L1 may fail during this window. Transactions on L2 will continue as normal and not be affected.
— OP Labs (@OPLabsPBC) February 9, 2024
This pause, as announced on Discord first, will affect withdrawals from the Layer 2 network to the Ethereum mainnet, while deposits from the mainnet to the Layer 2 network and regular transactions on the network will continue unaffected.
The primary objective of this test is to bolster the capability to respond to security incidents across various chains within the Optimism ecosystem in a synchronized manner. Currently, the incident response system entails an on-chain pause specifically for Ethereum withdrawals.
In January, OP Labs proposed a protocol upgrade aimed at bolstering the ability to respond to security incidents in a coordinated manner across all OP chains. This upgrade is a result of insights gleaned from comprehensive incident response drills and valuable input from industry experts, with the goal of enhancing the resilience of the Superchain once implemented.
A notable feature of this upgrade is the introduction of a new SuperchainConfig contract, which is initially minimalistic but
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