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L2 Withdrawal Delay

Opti-Challenge Period Check

Check estimated withdrawal times from various Layer 2 rollups back to Ethereum Mainnet.

L2 Withdrawal Delay

Optimistic Rollups have a 7-day challenge period.

7 Days

Optimism / Arbitrum

Output Root Challenge

~20 Mins

ZK Rollups (zkSync)

Proof Verification

Why the Delay?

Optimistic rollups assume transactions are valid by default. The 7-day window allows verifiers to submit fraud proofs if they detect an invalid state transition.

Frequently Asked Questions

Yes, by using third-party bridges (like Across or Hop) which take on the risk for a fee and give you instant liquidity.