Hackers stole more than $2.7 billion in cryptocurrency in 2025, setting a new annual record for crypto-related thefts, according to data from multiple blockchain monitoring firms.
The losses were driven by dozens of attacks on cryptocurrency exchanges and decentralized finance projects during the year. The largest incident was a breach at Dubai-based exchange Bybit, where attackers made off with about $1.4 billion worth of digital assets.
Blockchain analysis firms and the FBI have attributed the attack to North Korean state-backed hackers, who have become the most prolific crypto thieves in recent years.
The Bybit breach was the biggest known cryptocurrency theft to date and ranks among the largest financial heists on record. Previous major crypto hacks include the 2022 attacks on Ronin Network and Poly Network, which resulted in losses of $624 million and $611 million, respectively.
Blockchain analytics firms Chainalysis and TRM Labs both estimated total crypto thefts at around $2.7 billion in 2025. Chainalysis said it also tracked an additional $700,000 stolen from individual crypto wallets.
Web3 security firm De.Fi, which maintains the REKT database of crypto exploits, reported a similar total.
North Korean hackers accounted for the majority of losses, stealing a
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