A wallet warning of a possible leak, yet your funds are untouched—this situation is tricky because the lack of information makes it hard to tell if...
When your wallet shows a red warning like 'This page is not the official site' or 'Risky website,' it is rarely a false alarm. These warnings are b...
If you see an approval amount suddenly change from a small number to "Unlimited," it's not your wallet acting on its own, nor is a DApp secretly sc...
You revoked your approvals on Revoke.cash, but your assets were still drained. This usually isn't because the approvals weren't fully removed — it'...
Yes, you need to revoke them. When a DApp changes its contract, the approvals you gave to the old contract do not simply go away. They sit on-chain...
You send a small test transfer, the recipient confirms receipt, but when you send a larger amount, it ends up in a hacker's wallet. This problem is...
When your wallet warns you that your address has been "poisoned," you don't need to change it. The private key for the original address has not bee...
Copying an address from your transaction history is a high-risk bad habit. Address poisoning attackers monitor on-chain activity. Within minutes af...
You notice a tiny amount suddenly appear in your wallet—don't panic. This usually does not mean your private key has leaked or your wallet is hacke...
When your hardware wallet screen shows only a string of hexadecimal characters and you have no idea what the transaction actually does—that's calle...
When a hardware wallet transaction fails after disabling blind signing, should you temporarily enable it to complete the transaction? The direct an...
Signature phishing and regular transfer permissions are not on the same difficulty level. With a normal transfer you can see "transfer 1 ETH to 0x....
You gave a Permit2 authorization to a router contract on Uniswap, then switched to the built-in aggregator in the OKX Web3 wallet and found it work...
You notice the Permit2 authorization page clearly says "valid for 30 days," but after it expires, the DApp interface still shows "Available." This ...
You checked the on-chain records and found that your wallet's assets were moved, but your address never initiated any transaction, and there's no g...
The estimated receipt shown by a wallet simulation often doesn't match what actually lands in your account. This isn't the wallet lying to you—it's...
When the transaction simulation just spins and never loads, it's normal to feel uncertain and hesitate to sign—this happens a lot in on-chain inter...
Many Web3 newcomers think that if a transaction simulator shows "0 loss", the approval is safe. This idea is very dangerous—the simulation only tel...
When a transaction simulation shows you will receive tokens, your wallet might actually be showing you a phishing link. In July 2026, a research pa...
The web address shown in your browser bar can look identical to the official one but actually lead to a phishing site. This can really happen. Atta...