Top 3 Biggest Crypto Hacks by Stolen Value

Analyzing the largest cryptocurrency thefts reveals significant financial losses and highlights persistent vulnerabilities in the crypto ecosystem.

The top 3

1. Bybit: $1.5 Billion (2025): The Bybit exchange suffered the largest publicly confirmed crypto hack to date in February 2025, with approximately $1.5 billion in ETH stolen due to a private key leak in its hot wallet system.
2. Ronin Network: $625 Million (2022): In March 2022, the Ronin Network, supporting the Axie Infinity game, lost approximately $625 million in Ethereum and USDC after hackers compromised validator nodes through a spear-phishing attack.
3. Poly Network: $610 Million (2021): In August 2021, Poly Network experienced a $610 million theft due to a smart contract vulnerability in its cross-chain protocol, though most of the funds were surprisingly returned by the hacker.

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