Exchange Security

North Korea-Linked Hackers Steal Record $2B in 2025, Chainalysis Says

Chainalysis reports North Korea–linked groups stole roughly $2 billion in crypto in 2025, continuing a shift toward fewer but larger attacks. The pattern echoes 2024’s $1.4 billion Bybit breach and increases pressure on exchanges and regulators.

Upbit Hack Raises Scrutiny of Binance’s Emergency Freeze Policy

South Korean police say Binance froze only about 17% of funds tied to the Upbit hack, prompting renewed questions about how major exchanges handle cross‑border law enforcement requests. The disclosure has sparked debate over transparency and the effectiveness of emergency freeze mechanisms.