Since the advent of bitcoin 10 years ago, the story of cryptocurrencies has been riddled with frequent, spectacular, and troubling hacks to even the most reputable cryptocurrency exchange platforms.
As of today, there are a total of 51 hacking events, with lost funds amounting to a total of approximately $2.1 billion at the time of these hacks, with the Mt.Gox hack of 2014 being the biggest casualty yet with $661,348,000 of stolen funds. The total amount does not include stolen user data and undisclosed amounts of stolen funds.
If you don't actively trade, make sure to secure your funds using a hardware wallet.
A cryptocurrency exchange with about 2 million users worldwide announced that it has suffered a serious cyber attack. A number of basic services are paralyzed and the attacker tried to access the exchange's wallets.
Controversy still surrounds a liquidated New Zealand cryptocurrency exchange, which allegedly got hacked again. Adding to the $30 million stolen in 2019, Cryptopia reports that it was the target of another theft incident on February 1, 2021.
Russian cryptocurrency exchange Livecoin posted on message on its official website on Christmas Eve claiming it was hacked and lost control of some of its servers, warning customers to stop using its services.
In a live stream on 4:30 UTC Saturday, KuCoin CEO Johnny Lyu said one or more hackers obtained the private keys to the exchange's hot wallets. KuCoin transferred what was left in them to new hot wallets, abandoned the old ones and froze customer deposits and withdrawals, Lyu said.
Eterbase Exchange, a popular Slovakian cryptocurrency exchange platform was hacked by threat actors, on September 8, 2020.
Reportedly, $5.4 Million worth of funds were stolen and transferred by hackers from the platform, taking the security industry by storm.
Buyucoin, a Delhi NCR-based cryptocurrency exchange, has reportedly been hacked. The exchange has more than 350K registered users and has facilitated over $500 million in cryptocurrency trades, according to its website.
Several local news outlets reported that sensitive data of about 325K customers has been dumped onto the dark web.
The exchange was hacked during the night and almost all funds from BTC, ETH, ARRR and VRSC were stolen.
At approximately 13:06 on November 27th, 2019 (KST), 342,000 ETH was sent from Upbit's Ethereum hot wallet to an anonymous wallet address.
Japanese cryptocurrency exchange Bitpoint was hacked last week when hackers stole 3.5 billion yen ($32 million) from the exchange's hot wallet, of which 2.5 billion yen were customer funds.
Singapore-based cryptocurrency exchange Bitrue has been hacked for around $4.2 million in user assets.
Hackers withdrew 7,000 Bitcoins worth about $40 million via a single transaction in a large scale security breach. The hackers used a variety of techniques including phishing and viruses to obtain a large amount of user data.
South Korean crypto exchange Bithumb has had around $13 million in the EOS cryptocurrency stolen in a hack it suspects was an insider job.
The company confirmed in statement on Saturday that it first spotted an abnormal withdrawal of the cryptocurrency through its monitoring system.
Over $100 Million Missing: CoinBene Claims Maintenance, a Month of Questions Point Toward a Hack
DragonEx announced the news on its official Telegram channel on Monday, stating that, on Sunday, March 24, it had suffered a cyberattack that saw cryptocurrency funds owned by users and the exchange transferred and stolen.
No information has yet been provided on the value of the losses.
The official statement of the exchange disclosed that 450,000 email addresses and passwords were leaked in a massive global hacking attack involving 24 websites and some 747 million records.
The exchange announced the news on Twitter, stating that it suffered a security breach which resulted in significant losses.
Meanwhile, tweets from Whale Alert indicated that 19,391 (ETH) tokens worth nearly $2.44 million and around 48 million centrality (CENNZ) tokens worth about $1.18 million were transferred from Cryptopia to unknown wallets on Jan. 13.
Canadian crypto exchange Maple Change has been hacked. The company is reporting over $5 million in losses - virtually all its funds - and says it cannot pay any of its customers back.
However, many are questioning whether the company was hacked or if the loss was something planned by internal representatives..
Japan-based cryptocurrency exchange has been hacked, losing a 6.7 billion yen (about $60 million worth of cryptocurrency), including 5,966 bitcoins.
Bancor, a crypto company that touts a decentralized exchange service, has lost some $23.5 million of cryptocurrency tokens belonging to its users following a hack.
Roughly 35 billion Korean won (around $31 million) in cryptocurrency was stolen by hackers from the South Korea-based exchange Bithumb
Coinrail, a cryptocurrency exchange based in South Korea, said on Sunday its platform has been hacked, with other sources suggesting it lost cryptocurrencies totaling as much as $40 million in the attack.
On Friday, BitGrail posted a notice to users informing them that hackers had made off with 17 million units of Nano (XRB), the coin formerly known as RaiBlocks
Early Friday morning in Tokyo, hackers broke into a cryptocurrency exchange called Coincheck Inc. and made off with nearly $500 million in digital tokens.
It's one of the biggest heists in history, with the exchange losing more than 500 million of the somewhat obscure NEM coins.
LocalBitcoins, the popular peer-to-peer market for fiat-to-bitcoin trading, on Saturday said that it had suffered a security breach that lasted about 5 hours before the Finland-based company managed to stop it.
Hackers had reportedly managed to breach at least six user accounts, getting away with more than BTC 7.9 (USD 27,000)
A relativley small South Korean cryptocurrency exchange, Youbit, was reportedly hacked earlier today, and is filing for bankruptcy after losing 17% of users' funds.
Hackers succeeded in grabbing the personal information of 31,800 Bithumb website users, including their names, mobile phone numbers and email addresses.
The exchange claims that this number represents approximately three percent of customers.
South Korean exchange Yapizon has become the latest victim of hackers. In a notice on Saturday translated on social media, staff confirmed the theft of 3,831 Bitcoins, equivalent to 37.08% of the total assets.
Polish bitcoin exchange Bitcurex just posted an update announcing it will close following a hack. resulting in $1.5m going missing. It's one of the bigger bitcoin exchanges serving the European market, specifically for trading zloty and also euros.
Nearly 120,000 units of digital currency bitcoin worth about US$72 million was stolen from the exchange platform Bitfinex in Hong Kong, rattling the global bitcoin community in the second-biggest security breach ever of such an exchange.
There was a complicated series of thefts at ShapeShift, a cryptocurrency exchange that calls itself the safest asset exchange on Earth and is used to convert between different virtual currencies.
Thieves broke in three separate times over a time span of two weeks and cleaned out the hot wallets each time, totaling around $200K USD.
Gatecoin has claimed that it lost as much as 185,000 ethers and 250 bitcoins, an amount worth roughly $2.14m at press time.
The exchange further said that it believes the hack first began on 9th May, and that it continued over the following three days.
Hong Kong-based bitcoin exchange Bitfinex announced around 5 a.m. EDT today the startup's hot wallets were compromised and some bitcoin were stolen.
If correct, it would put the amount of bitcoin lost in the hack just more than 1,400 or around 0.06 percent of the company's total holdings.
On February 18, the day of the Chinese Lunar New Year's Eve, a message was posted on their website stating that their wallet servers were hacked and that they had lost over 3000 BTC.
Digital currency exchange BTER announced that it has lost 7,170 bitcoins, or roughly $1.75 million at press time, in an apparent hack on its cold wallet system.
According to the explanation, hackers had compromised areas of the exchange in the previous days, which had caused a user to mention the current address has been tampered with.
Reports are emerging of Chinese Bitcoin exchange 796 mistakenly losing 1000BTC of customer funds in a botched customer service request.
On January 4th, some of Bitstamp's operational wallets were compromised, resulting in a loss of less than 19,000 BTC.
This breach represents a small fraction of Bitstamp's total bitcoin reserves, the overwhelming majority of which are are held in secure offline cold storage systems.
The exchange alleges in a newly released blog post that it was the target of a hack in July 2014, an incident that it said cost it approximately 13,000 BTC ($7.5m at the time) and approximately 300,000 LTC (then $2.08m).
Digital currency exchange platform MintPal has suffered a successful hack attack that resulted in the loss millions of vericoins from its hot wallet.
The breach resulted in the loss of roughly 8 million vericoins (VRC), or about 30% of the total coins in existence, a member of the vericoin development team told CoinDesk.
The first hacking he witnessed cost the exchange 950 Bitcoins and 2500 Litecoins. A large amount considering CryptoRush is one of the smaller exchanges.
Digital currency exchange Poloniex, which trades bitcoin and other popular digital currencies such as litecoin, namecoin and dogecoin, has lost 12.3% of its total bitcoin supply in an attack. 97 BTC were taken and 97 BTC were paid back
Alberta-based bitcoin storage specialist Flexcoin has announced that it will shut down following an attack and subsequent robbery that saw cybercriminals abscond with 896 BTC (roughly $600,000 at press time) stored in the company's hot wallets.
The stock market suffered a hack attack in June 2013 in which 1,300 bitcoins were stolen. PicoStocks announced that it had been robbed again.
This time a total of 5,896 bitcoins were missing from both its hot and cold wallets. Because cold wallets can't be accessed in online attacks, the theft may have been an inside job.
A leaked corporate document claimed that hackers had raided that Mt. Gox exchange and stole 744,408 bitcoins belonging to Mt. Gox customers, as well as an additional 100,000 bitcoins belonging to the company, resulting in the exchange being declared to be insolvent.
Two hacks totalling about 4100 BTC have left Inputs.io unable to pay all user balances. The attacker compromised the hosting account through compromising email accounts (some very old, and without phone numbers attached, so it was easy to reset). The attacker was able to bypass 2FA due to a flaw on the server host side.
The attacker has acquired login credentials to our VPS control account with our hosting service provider and has then asked for the root password reset of all servers. The total losses of the security breach are 1454 BTC 225,263 TRC 23,400 LTC
Bitfloor, has just announced that it has been hacked, and the service has taken a loss of 24,000 BTC, worth about $250,000 at the time of the theft.
Bitcoinica was robbed for the third time when 40,000 BTC were stolen, but this time all the funds were secretly held in Mt. Gox. These funds were also reported to be refunded.
Just after the weeks of the first attack, Bitcoinica was raided again. This time hackers accessed Bitcoinica's user's database including all their identification details and sensitive data. This time, they stole 38,000 BTC.
The hot wallets stored on the Linode's server were unencrypted by the hacker and they stole 43,554 bitcoins. In this attack, several individuals that used Linode lost the fund.
On Oct 5, 2011 the Bitcoin7 exchange website posted a message to its users that it had been subject to a hacking intrusion that compromised their wallets and their user database.
The sensitive information includes: Scanned ID/Passport, Proof of address/utility bill, Proof of funding or your bank statement, ABA/SWIFT number for bank transfer, Bank name and address.
A security breach of the Mt. Gox bitcoin exchange caused the nominal price of a bitcoin to fraudulently drop to one cent on the Mt. Gox exchange, after a hacker allegedly used credentials from a Mt. Gox auditor's compromised computer to transfer a large number of bitcoins illegally to himself.
He used the exchange's software to sell them all nominally, creating a massive ask order at any price. Within minutes the price corrected to its correct user-traded value. Accounts with the equivalent of more than $8,750,000 were affected.