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Arbitrum
Arbitrum is a suite of scaling solutions for Ethereum developed by Offchain Labs that drastically reduces costs and latency. Arbitrum One is an "Optimistic Rollup", which instantly scales apps, reducing costs and increasing capacity, without sacrificing Ethereum's security. Arbitrum validators optimistically post updates to Ethereum, and the protocol uses an interactive fraud proof mechanism to resolve any disputes efficiently with a minimal on-chain footprint.
PoC required
KYC required
Resources & Documentation
All smart contracts of Arbitrum can be found at https://github.com/OffchainLabs/nitro-contracts https://github.com/OffchainLabs/token-bridge-contracts https://github.com/ArbitrumFoundation/governance, and https://github.com/OffchainLabs/fund-distribution-contracts
However, only those in the Assets in Scope table are considered as in-scope of the bug bounty program.
Assets should be evaluated according to the their public, mainnet deployments; their deployed addresses are listed on the following pages: https://developer.arbitrum.io/useful-addresses https://docs.arbitrum.foundation/deployment-addresses