#Web3SecurityGuide Never share your seed phrase/private key. No legitimate wallet, dApp, or support agent should ask for it.


Verify URLs and dApps. Bookmark official sites rather than clicking links from DMs, ads, or unsolicited messages.
Use a hardware wallet for significant holdings; it keeps the private key offline. �
Review every transaction/signature before approving it. Don't sign something you don't understand.
Avoid unlimited token approvals. Grant only the spending permission that is necessary and periodically revoke unused approvals.
Separate wallets by risk. Keep long-term assets away from experimental DeFi, NFT mints, and unfamiliar dApps.
Use multisig for valuable/admin accounts. Multiple required signers can reduce the impact of a compromised key.
For developers: use access controls, defensive checks, independent code review, automated analysis, testing, and professional audits. �
Don't blindly trust transaction simulations. Recent research has identified attacks designed to make simulations appear safe while actual execution behaves maliciously.
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