Guide to Common On-Chain Scams and Security Scenarios: The Real Danger Isn't Tech, It's Human Nature (Upgraded)

Introduces types of common on-chain scams and prevention methods, providing practical security rules to avoid asset loss.

{{{##anchor=preface}}} Preface The biggest adversary on-chain isn't a hacker; it's human weakness. Most "hacks" are actually victims: Actively signing approvals. Clicking phishing links. Typing seed phrases. Installing fake apps. In this world, "there are no thefts, only users handing over their keys." {{{##anchor=part-1.2}}} 1. The Most Common Scam: Fake Links — Impersonating Trusted People or Platforms Scammers use fake URLs like `uniswap.fix-support.app` to trick you into connecting your wallet and signing away permissions. {{{##anchor=part-1.2-如何识别}}} How to Identify? Domain looks similar but isn't official (e.g., includes "fix," "claim," "help"). Scammer impersonates "Admin" or "Support". Formula: If they reach out to you first to "help," it's 100% a scam. {{{##anchor=part-1.3}}} 2. The Second Type: Fake Approvals — You Think It's Interaction, It's Handing Over the Keys This is the most direct way to lose everything. Scammers don't need your private key; they just need you to sign a "power of attorney" allowing them to deduct your assets legally. Never approve an authorization you don't understand. {{{##anchor=part-1.4}}} 3. The Third Type: Fake Airdrops/Rewards — You See Mone