Google warns five quantum attack paths could put $100 billion on Ethereum at risk
Google's whitepaper reveals five potential quantum attack vectors targeting Ethereum, potentially exposing over $100 billion in assets.Summary
A new whitepaper co-authored by Google Quantum AI, Ethereum Foundation researcher Justin Drake, and Stanford's Dan Boneh identifies five ways future quantum computers could attack Ethereum. These attacks target wallets, smart contracts, staking systems, Layer 2 networks, and data verification, with combined exposure exceeding $100 billion. Unlike Bitcoin, Ethereum's public keys are permanently visible, making them vulnerable. The report highlights risks to smart contract admin keys controlling significant assets, including stablecoins, and vulnerabilities in Layer 2 networks. The staking system and Ethereum’s data availability sampling are also potential targets. While Ethereum is actively researching post-quantum cryptography with a roadmap targeting 2029, upgrading the base layer won’t automatically secure existing smart contracts and protocols, requiring independent upgrades across the ecosystem.
(Source：CoinDesk)