148 hack event(s)
Description of the event: Josh Jones, founder of Bitcoin Builder and Mt.Gox's second largest creditor, has had $45 million worth of digital currency stolen.
Amount of loss: $45,000,000 Attack method: SIM card is hacked
Description of the event: WOTOKEN, involved in a cryptocurrency pyramid selling case involving more than 7.7 billion yuan, has opened court and completed the trail in public and at Binhai County People's Court in Yancheng City, in which six major defendants were tried separately for organizing and leading pyramid selling activity; covering up and concealing income; harboring.
Amount of loss: $ 1,109,800,000 Attack method: Ponzi
Description of the event: The cryptocurrency lending company YouHodler was affected by a data leak that contained information about users on its platform. Some of the data that was released to the market includes bank accounts, passport numbers, card numbers and many other things.
Amount of loss: - Attack method: Data leak
Description of the event: PlusToken collapsed. Currently, PlusToken wallets can only be transferred in and cannot be withdrawn. Some investors said that 35 hours after the withdrawal of the coin, the account has not yet arrived. It is suspected that the reason given by the PlusToken promotion team is that the recent Bitcoin network transactions are busy, and the time for confirmation of the account has become longer, so you need to wait patiently. The largest MLM project in the currency circle has since collapsed.
Amount of loss: 2,900,000,000 Attack method: Ponzi
Description of the event: The ZenCash encountered a 51% cyber attack or double-spend attack at around 8:26 PM on June 2nd (June 3rd 00:26 UTC). This attack resulted in the loss of Zen encrypted tokens worth approximately US $550,000. The ZenCash team responded immediately and implemented preventive mitigation measures, which greatly increased the difficulty of future cyber attacks.
Amount of loss: $ 550,000 Attack method: 51% attack
Description of the event: On May 18, a Reddit netizen posted that Monacoin suffered a 51% computing power attack, a selfish mining attack, and a time stamp attack. The exact time occurred from May 13 to May 15. Some exchanges that support Monacoin trading, such as Bittrex, Livecoin have closed Monacoin recharge.
Amount of loss: $ 90,000 Attack method: 51% attack
Description of the event: On June 18,2019, the US Commodity Futures Trading Commission (CFTC) announced it had initiated a civil enforcement action against a now-defunct cryptocurrency trading and investment company for misappropriating $147 million worth of Bitcoin. The Complaint charges the defendants—Control-Finance Limited and its principal, Benjamin Reynolds—with exploiting public enthusiasm for crypto assets by fraudulently obtaining and misappropriating at least 22,858.822 Bitcoin from more than 1,000 customers through a classic (HYIP) Ponzi scheme called the Control-Finance Affiliate Program.
Amount of loss: 22,858.822 BTC Attack method: Scam
Description of the event: Messari, a cryptocurrency research organization, announced on the 27th that Stellar's blockchain protocol had an inflation loophole in April 2017. An attacker used the loophole to create 2.25 million XLM (worth about 10 million US dollars). This bug was discovered by the Stellar Development Foundation (SDF) and patched after the accident.
Amount of loss: 10,000,000 Attack method: Inflation