February 21, 2025 — A Day That Shook Crypto
In a landmark security breach, the cryptocurrency exchange Bybit suffered the largest hack in crypto history, with approximately 400,000 ETH — worth around $1.5 billion — stolen from its cold wallet. Researchers identified the Lazarus Group as the likely perpetrators.
What Happened
- Hackers manipulated the transaction-signing interface during an internal transfer.
- Over $1.2 billion was laundered through decentralized exchanges and mixers.
- FBI and analysts linked the attack to North Korea–backed Lazarus Group.
Market Impact
The attack sent shockwaves through crypto markets, driving down prices — especially Ethereum — and raising concerns about exchange security and regulation.
Industry Response
Bybit remained operational, compensating users while upgrading security systems. The incident triggered global efforts to improve cold wallet protection.
Why It Matters
This incident highlights the growing sophistication of attacks targeting centralized exchanges and reinforces the need for stronger custody controls, transaction verification layers, and institutional-grade wallet security.