TechFlow news, December 18 — According to Theblock, Chainalysis data shows that from January to early December 2025, total cryptocurrency theft exceeded $3.41 billion, up from $3.38 billion in the previous year. The $1.5 billion hack of the Bybit exchange accounted for 44% of the annual losses.
Centralized services remain vulnerable due to private key leaks, with such attacks accounting for 88% of stolen amounts in the first quarter of 2025. In contrast, DeFi security has improved; despite a rebound in total value locked (TVL), losses from hacks have remained contained. North Korea remains the biggest threat, stealing at least $2.02 billion in cryptocurrency in 2025, a record high.
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