A crypto world you can understand. On-chain traps you can avoid.
The crypto onboarding & anti-scam guide for the global Chinese community — from beginner concepts to approval security, every article cites its sources and data dates.
- No trade calls
- No price predictions
- Sources you can check
- Continuously updated
Beginner Path
Full path →Wallets & seed phrases
Hot wallet vs hardware wallet, and how to store your seed phrase
②Account & sign-up security
Exchange onboarding and account security settings
③Approvals & signatures
Understand approve, unlimited approvals, and Permit signatures
④Compliant fiat on/off-ramps
Source-of-funds proof and answering bank questions
Latest Scam Alerts
All security articles →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 ApprovalWhy you can trust us
Important claims cite sources and access dates
Sources are listed as publicly accessible deep links with access dates — open any article and check them yourself.
What we don't do
No price predictions, no buy calls, no unsourced rumors — our editorial policy states exactly what we refuse to do.
Named authorship
The About page says who runs this site and why — you can find out who we are.
Which country are you in?
Regional Guides →Skills
View all →Hypit: Let AI Agents Make Videos Built on Viral-Hit Structures
A video skill for AI agents: videos become SVML source files; visuals and captions anchor to the script, not the timeline; compiles without generative models
Anatomy: The Skill That Lets AI Draw Isometric Engineering Illustrations
An isometric engineering illustration skill for AI coding assistants: one sentence and Claude draws interactive machine and system diagrams
HivisionIDPhotos: An Offline AI ID Photo Maker
Lightweight AI ID photo toolkit: fully offline CPU matting, standard sizes and 6-inch layouts, touch-up and background swap, self-hosted API or Docker service
About the Owner
yedabinSite Owner
A programmer with a science background, former trading-platform engineer, and stand-up comedy fan. Proudest moment: bought 8 BTC for RMB 4,000.