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Wallet hygiene
Warm-up
20 XP
The blank cheque
You sign “approve unlimited USDC to 0xBadActor”. What can 0xBadActor now do?
Nothing until you send them a transaction
Move ALL of your USDC, any time, until you revoke it
See your balance but not move funds
Only move USDC you explicitly send later
Need a hint?
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Pick one option.