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Combined display of all available logs of Quadriga Initiative Cryptocurrency Hacks, Scams, and Frauds Repository. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 12:37, 22 January 2023 Azoundria talk contribs created page Cryptsy Exchange Hack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/cryptsyexchangehack.php}} thumb|CryptsyCryptsy was once one of the leading platforms in the United States, allowing users to trade over 200 different cryptocurrencies. It was reportedly started as a hobby project in 2013, before growing rapidly. One of the tokens listed on the Cryptsy platform was called Lucky7Coin, which was unique in that it's mining algorithm was based on...")
• 12:37, 22 January 2023 Azoundria talk contribs created page File:Cryptsy.jpg
• 12:37, 22 January 2023 Azoundria talk contribs uploaded File:Cryptsy.jpg
• 12:36, 22 January 2023 Azoundria talk contribs created page MintPal Vericoin Hack/Rollback (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/mintpalvericoinhackrollback.php}} thumb|MintPalMintPal was a leading UK-based exchange in 2014. In addition to large currencies such as bitcoin and litecoin, they had an extensive selection of alt coins including vericoin. However, their vericoin was not stored in cold storage nor were any of their coins subject to a multi-sig. SQL injection is a form of attack where an attac...")
• 12:36, 22 January 2023 Azoundria talk contribs created page File:Mintpal.jpg
• 12:36, 22 January 2023 Azoundria talk contribs uploaded File:Mintpal.jpg
• 12:35, 22 January 2023 Azoundria talk contribs created page Bitcoins Reserve Social Engineering (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/bitcoinsreservesocialengineering.php}} thumb|Bitcoins ReserveThe Bitcoins Reserve email address of Sam Lee was leaked by the US Marshall Service as part of their auction of bitcoin seized from Silk Road. Sam Lee then received and fell for a targeted spear phishing attack, where he entered his password in a fake Google Drive website. The attackers used his email account...")
• 12:35, 22 January 2023 Azoundria talk contribs created page File:Bitcoinsreserve.jpg
• 12:35, 22 January 2023 Azoundria talk contribs uploaded File:Bitcoinsreserve.jpg
• 12:35, 22 January 2023 Azoundria talk contribs created page 50BTC Mining Pool Exit Scam (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/50btcminingpoolexitscam.php}} thumb|50BTC50 BTC was a large mining pool. Near the end of their existence, there was a reported event where balances were switched around, and many users reported that they were unable to withdraw their stored funds. It's unclear how much was lost. There is no record of any recovery. The site eventually went offline. The country for this case stud...") Tag: Visual edit: Switched
• 12:34, 22 January 2023 Azoundria talk contribs created page File:50btc.jpg
• 12:34, 22 January 2023 Azoundria talk contribs uploaded File:50btc.jpg
• 12:32, 22 January 2023 Azoundria talk contribs created page File:Bitcurex.jpg
• 12:32, 22 January 2023 Azoundria talk contribs uploaded File:Bitcurex.jpg
• 12:26, 22 January 2023 Azoundria talk contribs created page File:Ponzicoinico.jpg
• 12:26, 22 January 2023 Azoundria talk contribs uploaded File:Ponzicoinico.jpg
• 12:26, 22 January 2023 Azoundria talk contribs created page PonziCoin Exits Early (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/ponzicoinexitsearly.php}} thumb|PonziCoinPonziCoin was a very early service where users would send bitcoin and recieve more back (or lose their funds if they were too late). One day, the anonymous individual running it stopped paying out and disappeared. It doesn't appear that anyone got their funds back, though only a small amount was lost. The country for this case stu...")
• 12:26, 22 January 2023 Azoundria talk contribs created page Bitcurex Targeted by Hacking (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/bitcurextargetedbyhacking.php}} thumb|BitcurexIt would appear that there was a wonderful money duplication “feature”. The hacker used their “magic money” to purchase all the bitcoin on the platform. It appears they managed to make off with 1,323 bitcoin before the issue was discovered (very quickly), although the company did not reveal the magnitude of the hack. The e...")
• 12:25, 22 January 2023 Azoundria talk contribs created page CryptoRush Hack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/cryptorushhack.php}} The primary issue here appears to be numerous exploits in the various alt coin withdrawal processes which CryptoRush handled through hot wallets. This seems to be based on the service being quickly coded in a few short months. This exchange or platform is based in United States, or the incident targeted people primarily in United States. == About CryptoRush == "The guilt was...")
• 12:25, 22 January 2023 Azoundria talk contribs created page Flexcoin Hot Wallet Hack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/flexcoinhotwallethack.php}} Flexcoin was a service that allowed users to send their bitcoins to other users quickly and more conveniently than through standard bitcoin. While hackers of course got into the hot wallets, all customers who had utilized the available cold storage service (available for an extra charge) were able to retrieve their funds. The company walked away and did nothing to assis...")
• 12:24, 22 January 2023 Azoundria talk contribs created page Poloniex Withdrawal Hack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/poloniexwithdrawalhack.php}} Hot wallets are almost always hackable, whether for a silly error like this one or for more complicated exploits. Poloniex is interesting in that it presently claims insurance on the front of the website, and expressly denies having insurance in the terms of service. They’re also apparently based in the United States and working with regulators, yet unable to serve a...")
• 12:23, 22 January 2023 Azoundria talk contribs moved page MT Gox Halts Trade Over Major Hack to Mt. Gox Halts Trade Over Major Hack (Slight tweak.)
• 12:23, 22 January 2023 Azoundria talk contribs created page MT Gox Halts Trade Over Major Hack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/mtgoxhaltstradeovermajorhack.php}} thumb|Mt. GoxThe most famous incident that everyone has heard of. Lack of secure storage for funds, a CEO who had his focus elsewhere, and the hacks apparently went undetected for months. There is still an ongoing bankruptcy. Luckily, at least one of the cold wallets escaped capture and can be used for disbursement. While victims have massive l...")
• 12:22, 22 January 2023 Azoundria talk contribs created page Intersango Exit Scam (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/intersangoexitscam.php}} Although this was not reported officially, I kept coming across stories of the bitcoin exchange Intersango and people who reported never being able to withdraw their funds. Even posts going into 2016 and 2017 seemed to report that the matter was never resolved. It seems very likely that the exchange just didn’t have enough users with significant balances to warrant a law...")
• 12:22, 22 January 2023 Azoundria talk contribs created page Sheep Marketplace Bitcoin Theft (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/sheepmarketplacebitcointheft.php}} thumb|Sheep MarketplaceSheep Market was an online market for illegal products and services similar to Silk Road. On November 21st, 2013, it appears that a vendor exploited a security hole in the website to make off with 5400 bitcoins, which is believed to be the sum of all funds on the site. The bitcoin was ultimately traced to two i...")
• 12:21, 22 January 2023 Azoundria talk contribs created page File:Sheepmarketplace.jpg
• 12:21, 22 January 2023 Azoundria talk contribs uploaded File:Sheepmarketplace.jpg
• 12:21, 22 January 2023 Azoundria talk contribs created page Inputs.io Additional Lish Attack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/inputsioadditionallishattack.php}} thumb|Inputs.ioInputs.io operated a centralized wallet service. The service suffered attacks on October 23rd, October 24th, and a final time on November 8th. This breach apparently started from an attacker breaking into the Linode admin account through resetting old email addresses. 4,000 BTC were taken from the hot wallet. The attack was no...")
• 12:20, 22 January 2023 Azoundria talk contribs created page WhiskChat Bitcoin Chatroom Data Breach (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/whiskchatbitcoinchatroomdatabreach.php}} thumb|WhiskChatWhiskCoin was a bitcoin-powered chatroom created by a user named whiskers75. The site/service was breached in November 2013. The database which included usernames and hashed passwords was exposed to the attacker. Apparently the attacker also went after whiskers75 with a further DDOS attack to their home IP. This is a g...") Tag: Visual edit: Switched
• 12:20, 22 January 2023 Azoundria talk contribs created page File:Whiskchat.jpg
• 12:20, 22 January 2023 Azoundria talk contribs uploaded File:Whiskchat.jpg
• 12:14, 22 January 2023 Azoundria talk contribs created page File:Coinlenders.jpg
• 12:14, 22 January 2023 Azoundria talk contribs uploaded File:Coinlenders.jpg
• 12:12, 22 January 2023 Azoundria talk contribs created page Blockchain.info Email Backup Theft (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/blockchaininfoemailbackuptheft.php}} thumb|Blockchain.infoA blockchain.info user noticed one day that their wallet was emptied of their entire life savings of over 300 bitcoin. The most likely culprit was their email backup, which would have been exposed if their email was compromised. It is unclear if the password may have been reused and exposed in a previous data bre...")
• 14:04, 21 January 2023 Azoundria talk contribs created page BIPS Wallet Service (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/bipswalletservice.php}} In the earlier days of bitcoin adoption, these kinds of custodial wallet services were actually in use, and users were storing their funds in what was essentially a hot wallet managed by a third party. Although some reporting here suggests that only a portion of the funds were stolen, there does not appear to be any indication that any of the affected users got anything bac...")
• 14:03, 21 January 2023 Azoundria talk contribs created page Czech Bitcash.cz Hacked (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/czechbitcashczhacked.php}} It would appear that this is a simple case where cold storage was not utilized at all. Instead, all of the funds were likely stored in a hot wallet, and this hot wallet was breached. From what I have read, the owner appears to have been doing his best to run a legitimate business operation, and simply lacked the education and technical know-how to properly secure the fun...")
• 14:03, 21 January 2023 Azoundria talk contribs created page Bidextreme.pl Exchange Hacked (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/exchangebidextremeplhacked.php}} There was no report of the amount taken, however the company reported being able to cover it and reopen. I was unable to find any conclusion which showed that customers received any of their funds back, and the website is presently offline. This exchange or platform is based in Poland, or the incident targeted people primarily in Poland. == About Bidextreme.pl ==...")
• 14:03, 21 January 2023 Azoundria talk contribs created page Picostocks “Cold Wallet” Hack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/picostockscoldwallethack.php}} Amazingly, this service (not quite an exchange but more a tool to invest in ICOs) is still operating despite this hack back in 2012. The obvious problem at the time is that their cold wallets weren’t actually cold wallets and were definitely not secure storage. This exchange or platform is based in Marshall Islands, or the incident targeted people primarily in Mar...")
• 14:02, 21 January 2023 Azoundria talk contribs created page Input.io “Wallet” Hack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/inputsiowallethack.php}} thumb|Input.ioInputs.io operated a centralized wallet service. The service suffered attacks on October 23rd and then again the next day on October 24th, although this was later reported by Tradefortress as having occurred on October 26th. This breach apparently started from an attacker breaking into the Linode admin account through resetting old email...")
• 14:02, 21 January 2023 Azoundria talk contribs created page Inputs.io API Compromised (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/inputsioapicompromised.php}} thumb|Inputs.ioInputs.io operated a centralized wallet service. The service suffered their first attack on October 23rd, where it was reported that unauthorized access to the API system was able to withdraw the funds of anyone with an API key. This breach apparently started from an attacker breaking into the Linode admin account through resetting...")
• 14:01, 21 January 2023 Azoundria talk contribs created page GBL Exchange Exit Scam (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/gblexchangeexitscam.php}} This highlights the importance of mandating transparency and a proper registry for exchanges. The operators claimed to be from Hong Kong, when in fact they were three citizens of mainland China. This actually ended fairly quickly with their arrest within 3 months in December 2013. This exchange or platform is based in China, or the incident targeted people primarily in C...")
• 14:01, 21 January 2023 Azoundria talk contribs created page File:Canadianbitcoins.jpg
• 14:01, 21 January 2023 Azoundria talk contribs uploaded File:Canadianbitcoins.jpg
• 14:01, 21 January 2023 Azoundria talk contribs created page Canadian Bitcoins Social Engineering Theft (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/canadabitcoinssocialengineeringtheft.php}} thumb|Canadian BitcoinsCanadian Bitcoins offers a cryptocurrency brokerage service based in Ottawa. Their wallet was hosted in a prestigious Rogers data center with an impressive array of security. However, one staff member there was fully accommodating to a James Grant impersonater, and granted him full access to the server,...")
• 14:00, 21 January 2023 Azoundria talk contribs created page CoinLenders Platform Closes With Funds (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/coinlendersplatformcloseswithfunds.php}} thumb|CoinLendersCoinLender was a bitcoin lending platform launched by TradeFortress, the same individual who launched Inputs.io. The service appearrs to lend bitcoins that users deposited out to others, although it was claimed to only be a demo for legal reasons. Funds were stored in a hot wallet under the individual control of Tra...")
• 14:00, 21 January 2023 Azoundria talk contribs created page Inputs.io Phishing Attack (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/inputsiophishingattack.php}} thumb|Inputs.ioInputs.io operated a centralized wallet service. In August 2013, there was a reported phishing attack against users of the platform. Some users of the platform reportedly received an email requesting them to log into a phishing website. It is unclear if private information of platform users was breached and used to target the email....")
• 13:59, 21 January 2023 Azoundria talk contribs created page File:Inputsio.jpg
• 13:59, 21 January 2023 Azoundria talk contribs uploaded File:Inputsio.jpg
• 13:59, 21 January 2023 Azoundria talk contribs created page Blockchain.info Transaction Signing Flaw (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/blockchaininfotransactionsigningflaw.php}} thumb|Blockchain.infoThe Blockchain.info web wallet had an issue where R-values were being reused, which allowed an attacker to generate transactions which could steal funds from wallet users. Between this and another attack affecting key generation on the Android platform, a total of over 59 bitcoins were taken from wallet use...")
• 13:58, 21 January 2023 Azoundria talk contribs created page Blockchain.info Wallet Emptied (Created page with "{{Imported Case Study|source=https://www.quadrigainitiative.com/casestudy/blockchaininfowalletemptied.php}} thumb|Blockchain.infoA blockchain.info user reports that their wallet was emptied, and the transaction referenced has 8.4 BTC. Blockchain.info used to send backup information to people's email addresses, which is a possible way that the wallet was breached. Another possibility is that they were another victim of the failures in the Bloc...")