Safer cold storage on Ethereum
blog.trailofbits.com | blog | #web3 | #smart-contracts | #blockchain | #blockchain-security | #ethereum | #cold-storage | #multisig | #custody | #key-management
Summary
Exchanges can use Ethereum smart contract programmability to build cold storage that stays secure even when multisig keys are compromised, via role-separated signing, timelocks, and rate limiting.
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--- id: 1341 title: "Safer cold storage on Ethereum" source_domain: blog.trailofbits.com source_url: "https://blog.trailofbits.com/2025/09/05/safer-cold-storage-on-ethereum/" published_at: "2025-09-05 11:00" tags: ["web3", "smart-contracts", "blockchain", "blockchain-security", "ethereum", "cold-storage", "multisig", "custody", "key-management"] phying_url: "https://phying.com/item/1341" lang: en --- # Safer cold storage on Ethereum ## Summary Exchanges can use Ethereum smart contract programmability to build cold storage that stays secure even when multisig keys are compromised, via role-separated signing, timelocks, and rate limiting. ## Intelligence Metadata - **Sources:** blog.trailofbits.com - **Published:** 2025-09-05 11:00 - **Original:** https://blog.trailofbits.com/2025/09/05/safer-cold-storage-on-ethereum/ - **Phying News:** https://phying.com/item/1341