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GasHawk is a non-custodial Ethereum gas fee optimization tool that acts as a proxy layer between wallets and EVM networks. By monitoring on-chain data, historical trends, and EIP-1559 mechanics, it intelligently selects low-fee windows to submit transactions, reducing costs. It automatically optimizes gas prices, prevents stuck or failed transactions, and defends against front-running and sandwich attacks via private mempool routing. Users and developers can integrate GasHawk into wallets, scripts, or Hardhat plugins, submitting transactions through RPC or API modes without handing over private keys, while enjoying fee savings and transaction status tracking.
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About GasHawk
GasHawk is a gas fee optimization tool for Ethereum. It acts as a proxy between your wallet and the network, queueing your signed transactions and submitting them when fees are low. It is non-custodial, meaning you keep full control of your funds.
Its core strength lies in its smart scheduling algorithm, which uses historical data and EIP-1559 insights to pick optimal submission times. On average, users save 25-30% on gas fees, and during high volatility with flexible deadlines, savings can exceed 90%. It also simulates transactions before sending, preventing failed or malicious transactions, and routes through private mempools to protect against front-running and sandwich attacks.
The main pain point it solves is Ethereum's volatile and often high gas fees. Users no longer need to overpay for urgent transactions or risk getting their transactions stuck in the mempool with low fees. GasHawk handles the timing automatically, making gas costs predictable and cheaper.
Regarding development in the past six months (2026-03-12 to 2026-09-12), no reliable public information is available. The Chrome extension was last updated in June 2025, but no specific developments within the requested period could be confirmed.
GasHawk was founded in 2022 as an Ethereum gas fee optimization tool, helping users save 25-40% on non-urgent transactions through prediction and smart execution. In September 2024, it completed a $1.6 million Pre-Seed round with participation from 3SE Holdings, AVID3, Artemis Capital, AppWorks, RedBread Ventures, Alchemy, etc., to expand its transaction-layer IP and build new services around Atomic Unit.
Earlier, the project received an ENS public goods grant and had completed multiple rounds of 51% fee reimbursements to users, onboarding over 660 individual users, validating its non-custodial, free-to-use public good model. These milestones mark GasHawk's evolution from proof-of-concept to ecosystem recognition, gradually building long-term sustainable gas optimization infrastructure.
Co-founder & CEO Dan Hannum (Twitter: @dhannum8): Former business development executive at Hawke Media, where he helped grow ARR from $10K to $25M; later COO at ZenLedger, driving millions in revenue. He leads GasHawk's strategy and fundraising.
Co-founder & CTO Daniel Pfeffer (PhD): Holds a doctorate in electrical engineering. At Corpus Ventures, he built GasHawk's core transaction-prediction engine, managed a 5-8 person remote team, and oversaw technology, budget, and investor reporting. He later led the pivot to Knox.
Current core executive Alexander Ramsey: Head of Growth & Business Development, responsible for growth and partnerships.