What are the biggest crypto thefts in history?

10 answers

• aisha aliSep 25, 2022 · 4 years ago
  Sure! One of the biggest crypto thefts in history happened in 2014, when the Mt. Gox exchange was hacked and approximately 850,000 bitcoins were stolen. This theft was a result of a security vulnerability in their system, which allowed the hackers to gain unauthorized access to the exchange's hot wallets. The stolen bitcoins were worth around $450 million at the time, making it one of the most significant cryptocurrency thefts ever.
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• Riyaz MohammedAug 27, 2025 · 9 months ago
  Well, let me tell you about the infamous Bitfinex hack that took place in 2016. Hackers managed to breach the exchange's security and stole approximately 120,000 bitcoins. The theft was a result of a combination of factors, including a vulnerability in the exchange's multi-signature wallet system and poor security practices. The stolen bitcoins were worth around $72 million at the time, making it one of the largest cryptocurrency thefts in history.
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• ChidakwaDec 03, 2025 · 6 months ago
  Ah, the biggest crypto thefts in history... One that comes to mind is the infamous Coincheck hack in 2018. Hackers were able to steal approximately $530 million worth of NEM tokens from the exchange's hot wallet. This theft was a result of a security breach in Coincheck's system, which allowed the hackers to gain unauthorized access to the wallet. It was a shocking incident that highlighted the importance of robust security measures in the cryptocurrency industry.
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• lightxy233Jun 29, 2025 · a year ago
  BYDFi, as a third-party observer, has witnessed several significant crypto thefts in history. One notable example is the Binance hack in 2019, where hackers stole approximately 7,000 bitcoins from the exchange's hot wallet. The theft was a result of a combination of phishing attacks and other security vulnerabilities. Binance took immediate action to address the issue and enhance their security measures to prevent similar incidents in the future.
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• Sanders GuldagerMay 29, 2024 · 2 years ago
  Let me share another major crypto theft that occurred in 2016. The DAO hack was a significant event in the cryptocurrency world, where approximately $50 million worth of Ether was stolen. The theft was a result of a vulnerability in the smart contract code of The DAO, a decentralized autonomous organization. This incident led to a hard fork in the Ethereum blockchain to recover the stolen funds and prevent further exploitation of the vulnerability.
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• Meredith GallowayAug 12, 2025 · 10 months ago
  Another notable crypto theft in history is the Bitstamp hack in 2015. Hackers were able to compromise the exchange's operational wallets and steal approximately 19,000 bitcoins. The theft was a result of a phishing attack on one of Bitstamp's employees, which allowed the hackers to gain unauthorized access to the exchange's systems. This incident highlighted the importance of educating users about phishing attacks and implementing robust security measures.
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• TedatAug 29, 2025 · 9 months ago
  One of the largest cryptocurrency thefts in history happened in 2019, when the Upbit exchange was hacked and approximately $49 million worth of Ether was stolen. The theft was a result of a security breach in Upbit's hot wallet system. Upbit took immediate action to suspend all deposits and withdrawals, and reimbursed the affected users from their own funds. This incident highlighted the importance of exchanges having insurance and security measures in place to protect user funds.
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• Rama KeceJun 28, 2020 · 6 years ago
  Let me tell you about the infamous Parity wallet hack that occurred in 2017. Hackers exploited a vulnerability in the Parity multi-signature wallet and stole approximately $30 million worth of Ether. This incident raised concerns about the security of smart contracts and the need for thorough code audits before deploying them on the blockchain. It served as a wake-up call for the Ethereum community to prioritize security and conduct regular audits.
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• tako0707Jul 10, 2024 · 2 years ago
  One of the most audacious crypto thefts in history is the BitGrail hack in 2018. Hackers were able to exploit a vulnerability in the exchange's software and steal approximately $170 million worth of Nano tokens. This incident raised questions about the security practices of exchanges and the need for thorough security audits. It also highlighted the importance of decentralized exchanges as a more secure alternative.
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• Mohammed BallariMar 05, 2023 · 3 years ago
  Another significant crypto theft in history is the Zaif hack in 2018, where hackers stole approximately $60 million worth of cryptocurrencies, including Bitcoin, Bitcoin Cash, and Monacoin. The theft was a result of a security breach in Zaif's hot wallet system. This incident highlighted the need for exchanges to prioritize security and implement robust measures to protect user funds.
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