
What is a SIM swap attack, and how does it drain a crypto wallet?
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.
Documented attack surfaces across contracts, bridges and users, with post-mortems of major losses and the habits preventing the most common thefts.

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.

Losing a device should be a bad afternoon, not a catastrophe: offline backups in two media and two locations, a restore you have actually tested, and a path for…