#大户持仓变化 Recently, a few crypto friends complained that suddenly their wallets showed a "huge fortune" — unfamiliar tokens worth tens of thousands of U.S. dollars. At first, they were pretty excited, but then almost got scammed. After asking around, they realized they had fallen for the classic phishing token scheme.

The logic behind this scam isn't complicated, but it heavily exploits one thing: "greed."

Scammers will airdrop a "high-value token" in bulk to a large number of addresses. The token's name often piggybacks on well-known big IPs — Tesla, SpaceX, etc. — and when viewed in your wallet, it appears to be worth tens of thousands of U.S. dollars. Seeing this, who can resist? It feels like a windfall. In excitement, they want to cash out quickly. But after clicking the "Sell" button, instead of a transaction confirmation, a permission (Approve) request pops up. With a shaky finger, they agree. And then? The valuable assets in your wallet — USDT, ETH, etc. — instantly vanish.

**Why can this coin never be sold?**

The core reason is very heartbreaking: this isn't real coin; the smart contract has been manipulated. Every time you click "Sell," what gets triggered isn't an actual trade, but directly handing over control of your wallet assets to the scammer. Once you give permission, they can transfer whatever they want from your wallet. What's even more outrageous is that some scammers' technical skills can even fake wallet interfaces, making it impossible to see any risk warnings. It's hard to defend against.

**How to beat it? Three ironclad rules you must memorize:**

First — For unfamiliar tokens, block them immediately. No matter if it shows as worth 100,000 U.S. dollars or 1,000,000 U.S. dollars in your wallet, as long as you didn’t actively acquire it, don’t even look at it. Genuine airdrops are rare; 99.99% of these "presents" are traps.

Second — Approving is handing over your wallet keys. In the Web3 world, an approval operation can determine your life or death. Unless you absolutely trust the protocol and it has been thoroughly tested over time (like Uniswap), don’t listen to anyone advising you to authorize.

Third — Slow isn’t losing; rushing is. The crypto world punishes those who value speed most. For any operation that feels uncertain, stop, take a screenshot, and ask trustworthy people in the community. Ten minutes late, you might lose a billion, but you can also save your entire holdings.

Ultimately, all seemingly free benefits in this market will come at the cost from your wallet in the end. The first step to protecting your assets is to control every unnecessary greedy impulse.