Offchain Labs, the developer behind Ethereum-focused layer-2 scaling solution Arbitrum, has unveiled a permissionless validation protocol called Bounded Liquidity Delay (BoLD).
The protocol protects users from delay attacks, which occur when a malicious actor attempts to prevent or slow down transactions with accurate confirmations. It allows users to withdraw funds from Ethereum once the transaction is complete, even if Arbitrum stops processing transactions temporarily.
BoLD aims to prevent validators from committing fraud when exchanging information between Arbitrum and Ethereum. The process involves a seven-day delay, within which other whitelisted participants can challenge claims they deem to be false.
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