Plain English
Safe (formerly Gnosis Safe) is the dominant smart-contract multisig wallet on Ethereum and EVM chains. Powers most DAO treasuries, major DeFi protocols’ treasuries, and institutional crypto holdings. SAFE governance token launched in 2024.
How it actually works
Each Safe is a smart contract with M-of-N signature requirements. Signers can be standard EOAs, hardware wallets, or other Safes. Transactions are proposed, then collect signatures, then execute. Modules system extends functionality (spending limits, recovery, batch transactions). Available on Ethereum, all major L2s, Polygon, and BNB Chain.
What it means for you
For any HNW crypto position above what you’d trust to a single hardware wallet, Safe is the standard answer. 2-of-3 with hardware wallets across two locations + an attorney key is a typical setup. For family office or corporate crypto custody, Safe is non-negotiable. Setup takes 30 minutes; the security gain is multiplicative.
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Educational content only. Not investment, tax, or legal advice.