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Cyber criminals stole $2.7 billion in crypto this year, a new record for crypto-theft hacks, according to blockchain-monitoring companies.
Again, in 2025, there were many crypto heists hitting several cryptocurrency exchanges and other web3 and decentralized financial services (DeFi). The biggest hack so far was the hack of Bybit-based crypto exchange Bybit, which Hackers stole about $1.4 billion in crypto. Blockchain analysis companiesalso FBIblamed North Korean government hackers – a well-known group that has been targeting crypto in the past few years – for this massive fraud.
This was the biggest known crypto hack of all time, and one of the biggest financial scams in human history. Before the Bybit hack, the biggest crypto thefts netted $624 million and $611 million for hackers in 2022. Ron’s Network and Results Poly Networkthus.
Cryptocurrency-monitoring firms Chainalysis and TRM Labs both estimate $2.7 billion worth of stolen crypto in 2025, based on data shared by TechCrunch. Chainalysis also tracked another $700,000 stolen from people’s crypto wallets, the company said.
De.Fi, a web3 security company on the move DEPENDENCE database that they are responsible for stealing crypto, and about $2.7 billion in stolen and hacked crypto last year.
As usual, North Korean government hackers were the most successful crypto thieves in 2025, having stolen at least $2 billion, according to Chainalysis and Elliptic, who estimated that hackers Kim Jong Un. They have stolen about $6 billion since 2017. North Korea uses crypto theft to support its official nuclear weapons program.
Some of this year’s key crypto hacks have also involved critics Cetusfixed exchange, which netted hackers $223 million; break against Balancera scheme built on the Ethereum blockchain, which resulted in a loss of $128 million; and which is opposed to crypto exchanges Phemexwhere cybercriminals stole more than $73 million.
Cyber criminals targeting crypto exchanges and other DeFi projects are not slowing down. In 2024, hackers stole $2.2 billion in cryptowhile last year, in 2023, the total cost was $2 billion.
