Two-Factor Authentication, SIM-Swaps, and Account Security
Why app-based and hardware 2FA beat SMS and how phone-number takeovers drain exchange accounts.
Learning cluster
Threats, Scams and Privacy
Recognise account takeovers, malicious approvals, impersonation, device compromise, and the physical risks created by public transaction history.
Why this cluster matters
The active-defence cluster, organised by how people actually get hit.
Follow the sequence or open the guide you need now. Every article links concepts to practical checks, common failure modes, and a short knowledge check.
Learning path
View in library- 01Beginner · 12 minTwo-Factor Authentication, SIM-Swaps, and Account SecurityWhy app-based and hardware 2FA beat SMS and how phone-number takeovers drain exchange accounts.
- 02Intermediate · 15 minHow to Respond If Your Crypto Is Hacked or StolenThe first-hour steps after compromise and an honest view of what can and cannot be recovered.
- 03Intermediate · 14 minOn-Chain Privacy: What Your Wallet RevealsHow public activity links addresses and exposes balances, counterparties, habits, and sometimes identity.
All Threats, Scams and Privacy guides
How to Respond If Your Crypto Is Hacked or Stolen
The first-hour steps after compromise and an honest view of what can and cannot be recovered.
On-Chain Privacy: What Your Wallet Reveals
How public activity links addresses and exposes balances, counterparties, habits, and sometimes identity.