Custodian

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. ...

DragonEx Hacked for $7 Million

Summary # On March 24, 2019, DragonEx, a Singapore-based cryptocurrency exchange, was hacked for $7 million. The attacker gained access to one of the exchange’s hot wallets, which are used to store user funds that are available for withdrawal. Attackers # Attackers associated with Lazarus Group gained access through a sophisticated phishing attack. More about Lazarus ETH DragonEx Hacker wallet: 0xa7f72Bf63EDeCa25636F0B13Ec5135296ca2eBb2 Losses # The attackers managed to steal a total of $7 million: ...

Embezzlement Leads to $26 Million Loss and Bankruptcy of Coinbin Exchange

Summary # South Korean cryptocurrency exchange Coinbin, which took over the previously hacked exchange Youbit, filed for bankruptcy on February 20, 2019, following embezzlement by an employee. The employee, previously the CEO of Youbit and responsible for cryptocurrency balances at Coinbin, was accused of neglecting his duties and embezzling funds. Specifically, he allegedly appropriated the key to an Ethereum wallet and claimed the cryptographic key had been lost. In addition to these events, Youbit was previously hacked twice: in April and December 2017, losing around 4,000 Bitcoin and $35 million, respectively. ...

Pure Bit Disappears with $2.8 Million in ICO Exit Scam

Summary # Pure Bit, a South Korean cryptocurrency exchange, orchestrated an exit scam, swindling roughly 13,678 ETH ($2.8 million) from its private investors by promoting the potential for profits through its exchange token, Pure Coin. The platform promised token holders a share of the exchange’s trading revenue and discounted trading fees, enticing investors with the prospect of significant returns. Additionally, the team behind Pure Bit claimed that 90% of the token supply would be burned over three years, suggesting an induced scarcity that could potentially increase the token’s value. ...

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. ...

Coincheck Hack: A $530 Million NEM Theft Unveiling Centralized Exchange Vulnerabilities

Summary # In January 2018, Coincheck, one of Japan’s largest cryptocurrency exchanges, suffered a colossal security breach, resulting in the theft of approximately $530 million worth of NEM tokens. This incident shedding light on the vulnerabilities inherent in centralized exchanges and emphasizing the urgent need for robust security measures within the crypto ecosystem. Attackers # The perpetrators behind the Coincheck NEM security breach were linked to a Canadian exchange and a Japanese exchange called Zaif, as identified by the BIG Blockchain Intelligence Group Inc. ...