Crypto hacks in 2025. Cybercriminals stole more than $2.7 billion in cryptocurrency in 2025, marking the worst year on record for crypto-related hacks, according to data from multiple blockchain monitoring firms.
The figure highlights how persistent security weaknesses across exchanges, decentralized finance (DeFi) platforms, and Web3 projects continue to expose billions of dollars in digital assets to theft.
A record year for crypto hacks
Blockchain analytics firms Chainalysis, TRM Labs, and Web3 security platform De.Fi all independently estimated that hackers made off with roughly $2.7 billion in crypto in 2025. Chainalysis also tracked an additional $700,000 stolen from individual wallets, underscoring that both large platforms and everyday users remain targets.
The total surpasses previous records and continues an upward trend:
Bybit hack dominates 2025 losses
The largest single crypto heist of the year, and of all time, was the breach of Dubai-based exchange Bybit, where hackers stole approximately $1.4 billion worth of cryptocurrency.
Blockchain analysis firms and the FBI attributed the attack to North Korean government-backed hackers, who have become the most prolific crypto thieves globally. The Bybit breach alone accounted for more than half of all crypto stolen in 2025 and ranks among the largest financial heists in modern history.
For comparison, earlier record-setting hacks included:
- Ronin Network (2022): $624 million
- Poly Network (2022): $611 million
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North Korea remains the biggest threat
According to Chainalysis and Elliptic, North Korean state-sponsored hackers stole at least $2 billion in crypto in 2025 alone. Since 2017, these groups have allegedly stolen around $6 billion, with proceeds believed to fund the country’s sanctioned nuclear weapons program.
Their continued success reflects both advanced cyber capabilities and persistent vulnerabilities across crypto infrastructure.
Other major crypto breaches in 2025
Beyond Bybit, several other high-profile attacks contributed to the year’s staggering total:
- Cetus (decentralized exchange): $223 million stolen
- Balancer (Ethereum-based protocol): $128 million lost
- Phemex (crypto exchange): over $73 million stolen
These incidents show that both centralized exchanges and DeFi protocols remain attractive targets for attackers.
Why crypto hacks keep rising
Despite improved security tooling, crypto platforms remain lucrative targets due to:
- Large pools of liquid assets
- Complex smart contract code
- Rapid product launches that prioritize speed over security
- Limited regulatory oversight in some jurisdictions
As trading volumes grow and new protocols launch, attackers continue to exploit technical and operational gaps.
What this means for the crypto industry
The surge in crypto hacks in 2025 reinforces calls for stronger security standards, better smart contract audits, and closer collaboration between exchanges, regulators, and law enforcement.
Without meaningful improvements, the industry risks normalizing billion-dollar losses as a cost of doing business, a trend that could erode user trust and slow mainstream adoption.
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