Gas Audit Flags Up to $1.8M Daily Savings and DoS Risks in Maple Finance

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A gas optimization audit of Maple Finance, an institutional lending protocol managing approximately $3 billion in total value locked on Ethereum and several Layer 2 networks, was conducted on 25 September 2026. The audit identified six key inefficiency areas across core contracts including PoolFactory, Loan, CreditLine, and Staking modules, with per-transaction gas waste ranging from 2,000 to 22,000 gas units. Implementing the top five recommendations could reduce end-user transaction fees by an estimated $1.2 million to $1.8 million daily, based on a 30-day window at 30 gwei on Ethereum mainnet. Beyond cost inefficiencies, auditors flagged exploitable attack vectors including out-of-gas denial-of-service attacks via inflated reward-claim arrays and front-running opportunities enabled by high-cost borrow functions. The overall codebase was assessed as well-architected, with most inefficiencies attributed to legacy Solidity patterns and the absence of batch processing for reward distributions.

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