Arbitrum Blockchain is a scaling solution designed to make the Ethereum network faster and cheaper to use. It functions as an optimistic rollup, processing transactions off the main Ethereum chain and then posting compressed transaction data back to Ethereum. This method significantly reduces transaction costs and increases throughput compared to direct operations on the Ethereum mainnet. The system employs fraud proofs, allowing a challenge period for anyone to dispute an invalid state transition before it is finalized on Ethereum.
Context
Arbitrum remains a leading Layer 2 solution for decentralized finance and non-fungible tokens, attracting significant developer and user activity. Ongoing discussions frequently center on its decentralization roadmap, including the evolution of its governance structure and the eventual removal of training wheels. The platform’s ability to maintain competitive transaction costs and high security while competing with other scaling technologies constitutes a key area of industry observation.
A misconfigured delegate call in UXLINK's multi-signature wallet granted an attacker administrative control, enabling unauthorized fund exfiltration and token inflation.
A delegate call vulnerability in the UXLINK multisig wallet granted an attacker administrative control, enabling unauthorized token minting and significant asset draining.
A delegate call vulnerability within a multi-signature wallet granted administrative control, allowing unauthorized asset transfers and limitless token minting.
A delegateCall vulnerability in a multi-signature wallet enabled unauthorized administrative control, leading to significant asset drain and token inflation.
A delegate call vulnerability in UXLINK's multi-signature wallet enabled unauthorized minting and asset drain, compounded by the attacker's subsequent phishing loss.
A critical vulnerability in UXLINK's multi-signature wallet allowed attackers to seize control, drain assets, and mint new tokens, posing severe systemic risk to the protocol.
A reentrancy vulnerability, introduced during a prior patch, allowed an attacker to manipulate price oracle logic and drain $42 million from GMX V1 liquidity pools.
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