The Evolution of Modern Web3 Phishing
Modern crypto scams rarely ask for your seed phrase directly. Instead, attackers use weaponized phishing websites that mimic legitimate DeFi frontends, prompting you to sign malicious off-chain signatures (ERC-2612 Permit) that allow their contracts to drain your tokens without gas fees.
Security Rule:
Never sign a wallet signature that contains 'setApprovalForAll', 'Permit', or unreadable hexadecimal data unless you have independently verified the contract address.
The Danger of Blind Signing
When blind signing is enabled on a hardware wallet, the device confirms the transaction without showing the destination address, token amount, or smart contract function. Always disable blind signing unless strictly required for a verified smart contract call, and re-disable it immediately after.
Operational Security Protocol for Active Traders
- Vault Wallet: Cold hardware wallet that never interacts with browser dApps; holds long-term core assets.
- Trading Wallet: Intermediate wallet funded with operating capital for DEX swaps and verified protocols.
- Burner Wallet: Temporary wallet with disposable funds used for mints, airdrops, and new protocol tests.