Scams & Security
This is SZB123's most important section. It is not a generic cybersecurity primer — it targets the scams and asset risks the global Chinese community actually runs into across altcoins, wallets, airdrops, DApps, exchanges, X, Telegram, and Discord. Every article follows one template: explain the trick in a sentence, break down a real case, then give checkable steps. The goal is a habit: confirm the source, confirm the URL, confirm the contract, read the signature — only then connect your wallet.
On-Chain Security Tools List: Check Approvals, Verify Contracts, Block Phishing
Security tools for revoking approvals, verifying token contracts, and spotting phishing: each tool's purpose, limits, and official entry point, with sources.
Token ApprovalPhishingAddress Poisoning: The Fake Address Trap in Your Transfer History
Zero-value transfers and fake tokens plant lookalike addresses in your transaction history — get addresses only from official channels, never from history.
TransferPhishingAfter an Airdrop Campaign Ends, Do You Still Need to Revoke Approvals?
A campaign ending does not end your approvals: the approve/permit signatures you signed stay valid after the campaign closes.
AirdropsToken ApprovalFive Telltale Flaws of Fake Claim Pages
A pixel-perfect claim page can copy everything except the official domain, consistent announcements, and a sane process — five flaws you can actually verify.
AirdropsPhishingApproval and Signature Security: Read Every Signature, Manage Every Approval
A complete guide to approvals and signatures: approve, unlimited approvals, Permit/Permit2, reading airdrop-claim signatures, and what to do after a theft.
Token ApprovalWallet SecurityPermitHot Wallet vs. Hardware Wallet: Where Should Large Crypto Holdings Live?
How hot wallets (online) and hardware wallets (offline signing) differ in security model: wherever the private key lives, that's where the risk lives.
Hot WalletHardware WalletWallet Security