Wallet Hack

KuCoin Suffers $281 Million Hack

Summary # On September 26, 2020, KuCoin, a Singapore-based cryptocurrency exchange, experienced a significant security breach, resulting in the theft of approximately $281 million worth of cryptocurrencies. The hackers obtained the private keys to the exchange’s hot wallets. The hackers sold the stolen cryptocurrency from their addresses on decentralized exchanges and anonymized the stolen cryptocurrencies through the mixing services. The incident caused a temporary drop in the price of KuCoin’s exchange token KCS by 14%, to $0. ...

Eterbase Exchange Security Breach with a Loss of $5,400,000

Summary # Eterbase, a European cryptocurrency exchange, based in Slovakia, suffered a significant security breach on September 7, 2020. Multiple hot wallets were compromised, including in Bitcoin, Ethereum, Tron, Tezos, Algorand and Ripple chains, leading to the theft of approximately $5,400,000 in various cryptocurrencies. The stolen funds were moved to different addresses and subsequently withdrawn to centralized exchanges like Binance, Huobi, and HitBTC. Attackers # The identity of the attackers remains unknown. ...

Upbit Loses $49 Million in Cyberattack

Summary # On November 27, 2019, Upbit, one of South Korea’s largest cryptocurrency exchanges, fell victim to a major cyberattack, resulting in the theft of approximately $49 million worth of Ethereum (342,000 ETH). The attack specifically targeted Upbit’s hot wallet, from which the funds were transferred to an unknown wallet address. To safeguard the remaining assets, Upbit promptly moved them to cold storage as a safety measure. The exchange took immediate action, replenishing the stolen funds with its own assets and ensuring no impact on its customers. ...

BITPoint hacked - $28 million stolen

Summary # In July 2019, BITPoint, a Japanese cryptocurrency exchange, suffered a security breach in which hackers gained unauthorized access to the exchange’s hot wallets, resulting in the theft of approximately $28 million worth of cryptocurrency. The attack was attributed to the theft of private keys associated with the hot wallets. Attackers # The identity of the hackers who attacked BITPoint in July 2019 is not publicly known. Bitpoint has not released any information regarding the perpetrators of the attack, and it is unclear whether any suspects have been identified or apprehended by law enforcement authorities. ...

Binance Hack - Millions of Dollars Stolen in 2019

Summary # In May 2019, Binance, one of the largest cryptocurrency exchanges, experienced a significant security breach resulting in the loss of millions of dollars. The attack was executed by unknown hackers who managed to bypass Binance’s security measures and gain access to user API keys, 2FA codes, and other sensitive information. With this access, the attackers were able to withdraw approximately 7,000 BTC from the exchange’s hot wallet. ...

CoinBene Exchange Allegedly Loses Over $100 Million in Suspected Hack

Summary # CoinBene, a Singapore-based cryptocurrency exchange, reportedly suffered a security breach on March 25, 2019, resulting in the loss of over $105 million worth of various tokens and coins. The exchange denied being hacked and claimed it was undergoing maintenance. CoinBene has not provided any official statement regarding the incident. Attackers # The identity of the attacker remains unknown. The following addresses were involved in the hack: 0xA1BF1ED1e8DE34477fB3dCE27c2eA2EA4163AcbA 0xb3dF999C5dC026dea265AEB02b8519844C9b6D5E 0xba351e7f0c630b3baa30a0ff38f6f4a333ef2133 Losses # CoinBene lost $105,150,329 worth of various assets. ...

Zaif loses $60 Million in Cyberattack

Summary # In September 2018, Zaif, a Japanese cryptocurrency exchange, has been hacked. During the hack, the attackers managed to steal about $60 million worth of cryptocurrencies from hot wallets. As a result, Zaif’s business was sold to Fisco in order to compensate for the loss of users. Attackers # The identity of the attackers has not been publicly disclosed. The investigation into the hack was conducted by the Tech Bureau, the parent company of Zaif, and Japanese law enforcement agencies, but no information has been released regarding the identity of the perpetrators. ...

Bithumb Hacked for $31 Million

Summary # On June 20, 2018, Bithumb, a South Korean cryptocurrency exchange, was hacked for $31.5 million. The attacker gained access to one of the exchange’s hot wallets. Attackers # The identity of the attacker(s) is unknown. Losses # 35 billion won ($31.5 million) Timeline # June 20, 2018: Bithumb announced that 35,000,000,000 KRW worth cryptocurrencies have been stolen June 28, 2018: Bithamb announced that he managed to return part of the stolen funds and the actual amount of damage is 19 billion won ($17. ...

Coinrail lost $40 million in a cyberattack

Summary # In June 2018, Coinrail, a South Korean cryptocurrency exchange, was hacked. During the hack, the attackers managed to steal about $40 million worth of cryptocurrencies from hot wallets. Attackers # The identity of the attackers has not been publicly disclosed. Losses # Coinrail lost 30 percent of the tokens the exchange was housing (nearly $40 million worth), including: $20 million worth of NPXS $14 million of ATX $6 million DENT $1 million TRON Timeline # June 10, 2018: Coinrail reported a hack. ...

BitGrail Hack Results in $170 Million Loss

Summary # In February 2018, BitGrail, an Italian cryptocurrency exchange, fell victim to a devastating hack, resulting in the loss of approximately $170 million worth of Nano (XRB) tokens. This article delves into the details of the attack, the perpetrators involved, the losses incurred, the timeline of events, and the security failure causes that allowed such a significant breach to occur. Attackers # The identity of the attackers in the BitGrail crypto hack remains uncertain. ...