
How to spot a crypto drainer before it takes your wallet
Crypto drainers are fake sites and apps that ask for one malicious signature — here is the mechanism and the habits that stop it.
Security records how digital assets are lost: contract vulnerabilities, bridge failures, key compromise, malicious approvals, and social engineering that bypasses code entirely. Incident post-mortems sit alongside preventive practice. Intended for holders, protocol teams and compliance staff who want attacks described in enough detail to defend against them.
Documented attack surfaces across contracts, bridges and users, with post-mortems of major losses and the habits preventing the most common thefts.

Crypto drainers are fake sites and apps that ask for one malicious signature — here is the mechanism and the habits that stop it.

A SIM swap hijacks your phone number, not your seed phrase — but for accounts protected only by a text message, that's often enough to unlock everything.

Move first, revoke second, report third — and walk past anyone who promises to recover it all for a fee paid upfront.

Free tokens that cost you your wallet: the giveaway exists to collect one signature or one 'gas fee' — everything else is stage design.

Tiny transfers you never asked for are either mapping your wallet or baiting a click — and the correct response to both is the same: nothing.