Web3 with Sam Kamani

246: Securing the Mempool: Loring Harkness on Shutter Network’s War Against MEV Attacks

14 Apr 2025

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Description

Can encryption make Ethereum more fair?In this episode, I speak with Loring Harkness, the ecosystem lead at Shutter Network, about a crucial — and often ignored — issue: malicious MEV. Loring explains how MEV bots extract value from unsuspecting users through front-running and sandwich attacks — and how Shutter uses threshold encryption to stop it.We talk about encrypted mempools, the recent whitepaper proposing encrypted mempools for Ethereum, and how commit-and-reveal encryption is already protecting DAOs, auctions, and bounties via Shutter’s API.Loring also shares his journey from building financial inclusion tools in Myanmar to becoming a passionate advocate for privacy and credible neutrality in Web3.Whether you're building a dApp, trading onchain, or want a fairer Ethereum — this episode is for you.Key Timestamps[00:00:00] Intro: Sam introduces Loring Harkness and the mission behind Shutter Network [00:01:00] Origin Story: How a coup in Myanmar inspired Loring’s pivot from TradFi to Web3[00:04:00] What is Shutter?: Commit-reveal threshold encryption explained [00:06:00] Understanding MEV: How front-running and sandwich attacks work [00:08:00] Shielded Trading: How Shutter encrypts transactions to blind MEV bots [00:10:00] Integrations: Shielded trading on Gnosis and plans for Ethereum mainnet [00:11:00] The Cost of MEV: Over $1.3B lost to MEV since 2020 [00:12:00] Ethereum Whitepaper: How Shutter’s proposal was received[00:14:00] The Shutter API: Making commit-reveal encryption accessible to dApps [00:16:00] Game Theory: Loring’s live demo using rock-paper-scissors [00:20:00] Scaling Up: How Shutter supports many use cases and transactions [00:23:00] Real-World Adoption: Shielded voting on Snapshot and Paddle Battle auctions [00:25:00] The Real Threat: Why Ethereum must align with its own values [00:27:00] Community Ask: Why users and developers must demand fairness [00:29:00] Wrap-up: Links and next steps for integrating Shutter NetworkConnecthttps://www.shutter.network/https://x.com/ShutterNetworkhttps://x.com/LoringHarknesshttps://www.linkedin.com/in/loringharkness/DisclaimerNothing mentioned in this podcast is investment advice and please do your own research. Finally, it would mean a lot if you can leave a review of this podcast on Apple Podcasts or Spotify and share this podcast with a friend.Be a guest on the podcast or contact us - https://www.web3pod.xyz/

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246: Securing the Mempool: Loring Harkness on Shutter Network’s War Against MEV Attacks

This episode hasn't been transcribed yet

Other episodes from Web3 with Sam Kamani

349: Inside Openfort: Fixing Wallets, Crypto UX and Privacy, and the Road to 2026 with Guest Speaker Joan Alavedra

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