- Bounded Liquidity Delay, or BOLD, was introduced to the testnet on Monday by Offchain Labs.
- BOLD, which was first introduced in August 2023, allows permissionless validation on Arbitrum chains.
The company developing the Arbitrum ecosystem, Offchain Labs, introduced Arbitrum BOLD on the testnet.
The Bounded Liquidity Delay, or BOLD, is a dispute protocol with interactive fraud proofs for optimistic rollups across Arbitrum chains. Users can operate a validator node and contribute to the network’s consensus process by using BOLD.
It also provides protection against cybersecurity risks called delay attacks, in which malicious actors intentionally disrupt a system’s normal functioning by blocking data flow.
Offchain Labs said in a statement on Monday that BOLD ensures a defined upper-bound on the confirmation of Arbitrum states on Ethereum and enables a single, well-resourced party to defend claims against numerous adversaries without having to engage in 1-vs-1 games with them.
According to the quantity of active wallets, Arbitrum is one of the most well-liked Ethereum Layer 2 networks, as The Block previously revealed. In August 2021, Offchain Labs secured $120 million in investment, with Lightspeed Venture Partners leading the charge.
Justification for BOLD
Offchain Labs said that validation on Arbitrum One and Nova via fraud proofs is now permissioned since their dispute mechanisms are susceptible to denial-of-service attacks when it released BOLD in August 2023. As long as they’re willing, a malicious validator can continuously spend money to stop claims from being confirmed, delaying withdrawals from L2 to L1.
BOLD has developed a novel validation strategy that allows us to receive an upper bound of seven extra days of confirmation delay without experiencing delay assaults.
BOLD methodology may safely make Arbitrum chain validation permissionless, propelling them up the decentralization ladder significantly,” the company continued.
“The approach allows a single, honest validator to win disputes on Ethereum against any number of adversaries.”
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