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BuidlGuidl
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🧵 ERC20 Approvals: How to NOT Lose Your Tokens Approving tokens is essential in DeFi, but done wrong, it’s a disaster waiting to happen. Here’s how approvals work, common traps, real hacks, and how to stay safe. 🔒 Bookmark this thread 👇
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BuidlGuidl
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2/9 💡 Why Approvals Matter ERC20s power DeFi. But smart contracts can’t move your tokens unless you approve them first. You’re basically saying: “Hey contract, here’s X tokens you can use.” Used in swaps, lending, staking, etc.
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