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Stories fo Security Failures
    Security Timeline

    $80,000,000 - Liquid

    August 19, 2021

    "Japanese exchange Liquid has been hacked with about $80 million in digital assets moved off the platform.

    The exchange confirmed the security breach in an August 19 tweet, with Liquid revealing the wallet addresses implicated in the breach. The exchange noted that only it's warm wallets were affected, adding that its assets are currently being moved into cold storage."

    Amount stolen: $80,000,000

    Source: Cointelegraph

    n/a - Hotbit

    April 29, 2021

    "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."

    Amount stolen: n/a


    $45,000 - Cryptopia

    February 1, 2021

    "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."

    Amount stolen: $45,000


    n/a - Livecoin

    December 23, 2020

    "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."

    Amount stolen: n/a

    Source: ZDNet

    $280,000,000 - KuCoin

    September 26, 2020

    "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."

    Amount stolen: $280,000,000

    Source: CoinDesk

    $5,400,000 - Eterbase

    September 8, 2020

    "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."

    Amount stolen: $5,400,000

    Source: Security Boulevard

    325,000 users data - BuyUcoin

    June-Sept, 2020

    "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."

    Amount stolen: n/a


    Users data - BlockFi

    May 14, 2020

    "On May 14th 2020, BlockFi experienced a temporary data breach that exposed some BlockFi client data. We promptly discovered the root cause and stopped the unauthorized intrusion into our systems."

    Amount stolen: n/a

    Source: BlockFi

    $73,000 - Altsbit

    February 6, 2020

    "our exchange was hacked during the night and almost all funds from BTC, ETH, ARRR and VRSC were stolen."

    Amount stolen: $73,000

    Source: Twitter @Altsbit

    $49,000,000 - Upbit

    November 27, 2019

    "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."

    Amount stolen: $49,000,000

    Source: Upbit

    $32,000,000 - BITPoint

    July 12, 2019

    "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."

    Amount stolen: $32,000,000

    Source: CCN

    $4,200,000 - Bitrue

    June 27, 2019

    "Singapore-based cryptocurrency exchange Bitrue has been hacked for around $4.2 million in user assets."

    Amount stolen: $4,200,000

    Source: CoinDesk

    $13,000,000 - Bithumb

    April 1, 2019

    "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"

    Amount stolen: $13,000,000

    Source: CoinDesk

    $100,000,000 - Coinbene

    March 25, 2019

    "Over $100 Million Missing: CoinBene Claims Maintenance, a Month of Questions Point Toward a Hack"

    Amount stolen: $100,000,000

    Source: Cointelegraph

    n/a - DragonEx

    March 24, 2019

    "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."

    Amount stolen: n/a

    Source: CoinDesk

    Data of 450,000 users - Coinmama

    February 15, 2019

    "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."

    Amount stolen: n/a

    Source: CCN

    $3,620,000 - Cryptopia

    February 15, 2019

    "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."

    Amount stolen: $3,620,000

    Source: CoinDesk

    $214,600,000 - QuadrigaCX

    February 1, 2019

    CEO, Gerald Cotten, died on his honeymoon in India at the age of 30. Only Mr. Cotten knew the passwords to access the company's cryptocurrency holdings, and he kept virtually no corporate backup records.

    About 76,000 users held $214.6-million in cash and cryptocurrency with Quadriga when the company filed for creditor protection in January, according to Ernst & Young, the bankruptcy trustee. CEO, Gerald Cotten, died on his honeymoon in India at the age of 30.

    Amount lost: $214,600,000

    Source: TheGlobeAndMail

    $5,000,000 - MapleChange

    October 28, 2018

    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..

    Amount stolen: $5,000,000

    Source: Blockonomi

    $60,000,000 - Zaif

    September 14, 2018

    "Japan-based cryptocurrency exchange has been hacked, losing a 6.7 billion yen (about $60 million worth of cryptocurrency), including 5,966 bitcoins."

    Amount stolen: $60,000,000

    Source: CoinDesk

    $23,500,000 - Bancor

    July 9, 2018

    "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."

    Amount stolen: $23,500,000

    Source: TechCrunch

    $31,000,000 - Bithumb

    June 19, 2018

    "roughly 35 billion Korean won (around $31 million) in cryptocurrency was stolen by hackers from the South Korea-based exchange Bithumb"

    Amount stolen: $31,000,000

    Source: CoinDesk

    $40,000,000 - Coinrail

    June 10, 2018

    "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."

    Amount stolen: $40,000,000

    Source: CoinDesk

    $170,000,000 - BitGrail

    February 8, 2018

    "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"

    Amount stolen: $170,000,000

    Source: TechCrunch

    $500,000,000 - Coincheck

    January 26, 2018

    "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."

    Amount stolen: $500,000,000

    Source: Fortune

    $27,000 - LocalBitcoins

    January 26, 2018

    "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.)"

    Amount stolen: $27,000

    Source: cryptonews

    $2,200,000 - YouBit

    December 19, 2017

    "Earlier known as Yapizon. After rebranding to YouBit, the exchange was hacked once again in December 2017."
    "Youbit, was reportedly hacked earlier today, and is filing for bankruptcy after losing 17% of users' funds." Estimated losses could be around $2,200,000 to $3,000,000.

    Amount stolen: $2,200,000

    Source: Cryptovest, bitcoinexchangeguide

    $31,000,000 - Bithumb

    June 29, 2017

    "On June 29, 2017, Bithumb revealed that hacker shad stolen $31 million worth of Korean Won along with the personally identifiable information of 31,800 Bithumb website users, including their names, mobile phone numbers, and email addresses. At the time, Bithumb was the world's fourth largest bitcoin exchange and the largest exchange in South Korea, accounting for over 75% of bitcoin trading volume in South Korea. The hack was traced back to a single employee's compromised PC."

    Amount stolen:


    Source: bitcoinexchangeguide

    $4,850,000 - Yapizon

    April 26, 2017

    "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."

    Amount stolen: $4,850,000

    Source: Cointelegraph

    $1,500,000 - Bitcurex

    October 13, 2016

    "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."

    Amount stolen: $1,500,000


    $72,000,000 - Bitfinex

    August 2, 2016

    "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."

    Amount stolen: $72,000,000

    Source: Fortune

    $200,000 - ShapeShift

    June 30, 2016

    "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."

    Amount stolen: $200,000

    Source: Hacking, Distributed

    $2,140,000 - Gatecoin

    May 9, 2016

    "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."

    Amount stolen: $2,140,000

    Source: CoinDesk

    $329,000 - Bitfinex

    May 22, 2015

    "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."

    Amount stolen: $329,000

    Source: BitcoinMagazine

    $728,000 - KipCoin

    February 18, 2015

    "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."

    Amount stolen: $728,000

    Source: NEWSBTC

    $1,750,000 - BTER

    February 14, 2015

    "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."

    Amount stolen: $1,750,000

    Source: CoinDesk

    $270,000 - 796 Exchange

    January 27, 2015

    "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."

    Amount stolen: $270,000

    Source: Cointelegraph

    $5,100,000 - Bitstamp

    January 4, 2015

    "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."

    Amount stolen: $5,100,000

    Source: CoinDesk

    $9,580,000 - Cryptsy

    July 29, 2014

    "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)."

    Amount stolen: $9,580,000

    Source: CoinDesk

    $1,933,000 - MintPal

    July 14, 2014

    "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."

    Amount stolen: $1,933,000

    Source: CoinDesk

    $630,000 - Crypto Rush

    March 11, 2014

    "The first hacking he witnessed cost the exchange 950 Bitcoins and 2500 Litecoins. A large amount considering CryptoRush is one of the smaller exchanges."

    Amount stolen: $630,000

    Source: CCN

    $67,500 - Poloniex

    March 4, 2014

    "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"

    Amount stolen: $67,500

    Source: CoinDesk

    $600,000 - Flexcoin

    March 2, 2014

    "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."

    Amount stolen: $600,000

    Source: CoinDesk

    $4,434,000 - Picostocks

    - Feb 17, 2014

    "In addition to June 2013 incident in which 1,300 bitcoins were stolen, 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."

    Company survived even the 2nd loss, and is still trading today.

    Amount stolen: ~5896 BTC
    Hacktime USD estimation: $6,674,272
    Today USD estimation: $281,534,000

    Source: Official blogpost + Wired

    $661,348,000 - Mt.Gox

    - Feb 7, 2014

    "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."

    Amount stolen: $661,348,000

    Source: Blockonomi

    $1,200,000 - 

    - Oct 23, 2013

    "Two hacks totalling about 4100 BTC have left 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."

    Amount stolen: $1,200,000

    Source: CoinDesk

    $352,000 - Vircurex

    - May 10, 2013

    "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"

    Amount stolen: $352,000

    Source: Vircurex

    $250,000 - Bitfloor

    - Sep 3, 2012

    "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."

    Amount stolen: $250,000

    Source: Bitcoin Magazine

    $300,000 - Bitcoinica

    - Jul, 2012

    "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."

    Amount stolen: $300,000

    Source: Block Stuffs

    ₿ 38,000 - Bitcoinica

    - May, 2012

    "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."

    Amount stolen: $87,000

    Source: Block Stuffs

    $228,000 - Bitcoinica

    - Mar, 2012

    "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."

    Amount stolen: $228,000

    Source: Block Stuffs

    ₿ 5,000 - Bitcoin7

    - Oct 5, 2011

    "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."

    Amount stolen: $50,000 / 5,000 BTC

    Source: BitcoinExchangeGuide

    $8,750,000 - Mt.Gox

    - Jun 19, 2011

    "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."

    Amount stolen: $8,750,000

    Source: Wikipedia