145 hack event(s)
Description of the event: Hacker Exploits Flaw in Decentralized Bitcoin Exchange Bisq to Steal $250K.
Amount of loss: $ 250,000 Attack method: Defects in the transaction agreement
Description of the event: The FCoin exchange claimed that due to funding difficulties, the fund reserves could not be redeemed for user withdrawals, and the estimated amount of funds that could not be redeemed was between 7,000-13,000 BTC.
Amount of loss: - Attack method: Scam
Description of the event: VBITEX platform was hacked, resulting in malicious manipulation of platform data and theft of virtual assets.
Amount of loss: - Attack method: Unknown
Description of the event: The Italian cryptocurrency exchange Altsbit was hacked. As of now, the value of stolen Bitcoin and Ether is about 70,000 U.S. dollars. The website stated that it will be closed after partial refund of client funds.
Amount of loss: $ 70,000 Attack method: Wallet Stolen
Description of the event: South Korean exchange Upbit 342,000 ETH worth about $50 million was stolen. The exchange’s alleged theft occurred while assets were being transferred between hot and cold storage wallets, leading some to speculate that the incident may have been an internal job rather than an external breach.
Amount of loss: 342,000 ETH Attack method: Wallet Stolen
Description of the event: Vietnamese cryptocurrency exchange VinDAX has been hacked, losing at least $500,000 in cryptocurrency.
Amount of loss: $ 500,000 Attack method: Wallet Stolen
Description of the event: BitMEX Compromises User Data in Email Gaffe.
Amount of loss: - Attack method: Information Leakage
Description of the event: Coinhouse Suffers Phishing Attack, User Names and Emails Accessed.
Amount of loss: - Attack method: Phishing attack
Description of the event: The cold wallet of the CoinTiger exchange was stolen, and the 400 million PTT of the Proton chain disappeared. According to the exchange announcement, they discovered that the cold wallet storing PTT was hacked during their regular cold wallet verification work recently, resulting in the theft of 401,981,748 PTT from the wallet.
Amount of loss: 401,981,748 PTT Attack method: Wallet Stolen
Description of the event: There is a vulnerability in Bitstamp, which can be used by attackers to view a large number of sensitive information such as user IDs and bank CARDS, seriously threatening the information security of users.
Amount of loss: - Attack method: Information Leakage
Description of the event: According to QuickBit, the breach resulted in data of users such as names, emails, physical addresses and even card information was exposed. The exchange has said it has estimated about 2% user data was left unprotected. The exchange has claimed that although data was bare and accessible to anyone who had the knowledge on how to access it, none of the data has been affected or copied.
Amount of loss: - Attack method: Information Leakage
Description of the event: On July 12, Japan's BitPoint Japan (BPJ) exchange was hacked, and 3.5 billion yen (32 million U.S. dollars) worth of cryptocurrency in the hot wallet was stolen. After that, BPJ shut down all services of the exchange. On the 14th, BPJ announced the recovery of some stolen cryptocurrencies from overseas trading systems, reducing the total loss to 3.02 billion yen (customer funds 2.06 billion, BPJ own funds 960 million).
Amount of loss: $ 27,610,000 Attack method: Wallet Stolen
Description of the event: On July 8, the Polish-based exchange Bitmarket abruptly shut down due to liquidity issues. The shutdown allegedly cost users a total of 2300 bitcoin (approximately $23 million) according to Polish prosecutors. The exchange’s official site was replaced with the following message: “We regret to inform you that due to the loss of liquidity, from 08/07/2019, Bitmarket.pl/net was forced to cease its operations. We will inform you about further steps.” Two weeks later, one of the exchange's co-owners was found shot dead
Amount of loss: 2,300 BTC Attack method: Insufficient liquidity
Description of the event: Soxex exchange has been exposed to abscond with the funds. At present, the website of the exchange has been unable to open, and hundreds of millions of funds of investors have been swept away, involving BTC, ETH, HT, OKB and other mainstream currencies. Over 1 million USDT has been flowing into other exchanges.
Amount of loss: - Attack method: Rug Pull
Description of the event: At approximately 1am June 27 (GMT+8), a hacker exploited a vulnerability in Bitrue's Risk Control team's 2nd review process to access the personal funds of about 90 Bitrue users. The hacker used what they learned from this breach to then access the Bitrue hot wallet and move 9.3 million XRP and 2.5 million ADA to different exchanges.
Amount of loss: 4520500 Attack method: Wallet Stolen
Description of the event: According to Forbes on June 27, Bitsane, an Irish cryptocurrency exchange, disappeared without a trace last week, had lied to as many as 246000 users.
Amount of loss: - Attack method: Scam
Description of the event: Synthetix, a synthetic asset issuance platform built on Ethereum, experienced an oracle attack which netted the attacker over 37 million sETH, according to Etherscan. However, the true dollar value is difficult to calculate at this time given the relative illiquidity of sETH on secondary markets.
Amount of loss: 35,759,524 sETH Attack method: Database attack
Description of the event: Polish cryptocurrency exchange Coinroom suddenly shut down its service in April, suspected of defrauding customers and running away with funds. Although the exact amount involved in the fraud is unclear.
Amount of loss: - Attack method: Scam
Description of the event: On June 2, Bitcoin flash-crashed on a major Bitcoin trading platform Kraken. The near vertical drop from $11,200 CAD to $100 CAD within moments initially appeared to have resulted from a technical glitch or a fat-fingered trading error by a whale. In this case, the available evidence suggests a hacker compromised a whale’s account, stole 1200 BTC worth $10.45 million on that date, and then dumped this huge amount of BTC into a highly illiquid BTC/CAD marke.
Amount of loss: 1,200 BTC Attack method: Unknown
Description of the event: Due to the failure to take effective measures against user complaints, XRP buyers have suffered a lot of losses. The cryptocurrency exchange Remitano has announced that it has suspended all XRP deposits and withdrawals to solve the problem of false XRP deposits.
Amount of loss: - Attack method: False XRP deposits