QUADRIGA INITIATIVE
CRYPTO WATCHDOG & FRAUD RECOVERY PLATFORM
A COMMUNITY-BASED, NOT-FOR-PROFIT
Those who ignore history are doomed to repeat it! Study the largest list anywhere on the internet of hacks, frauds, and scams that involve cryptocurrency exchanges!
The list below is limited to hacks, scams, and frauds on centralized exchanges. Click here to view all hacks, scams, and frauds.
Want to beef up your security/fraud understanding and contribute back to the blockchain community by helping compile cases? Please reach out to info@quadrigainitiative.com.
2025
Feb 2025 - Infini Money Anonymous Developer Backdoor Vault Theft - $49.517m (Global) Feb 2025 - ByBit Multi-Sig Cold Wallet Not Cold Or Multi-Sig - $1.436173b (Global) Feb 2025 - Xeggex Exchange Collapses After Suspicious Withdrawals - $Unknown (Global) Jan 2025 - Phemex Hot Wallet Access Control Vulnerability - $69.089m (Global)2024
Nov 2024 - XT.com Exchange Hot Wallet Breach - $1.7m (Global) Nov 2024 - DEXX Web Wallet Private Key Leakage - $21m (Global) Nov 2024 - CoinPoker Hot Wallet Third-party Vulnerability - $2m (Global) Oct 2024 - M2 Exchange Access Control Vulnerability - $13.7m (United Arab Emirates) Sep 2024 - BingX Massive Hot Wallet Breach - $44.061m (Global) Sep 2024 - Indodax Withdrawal System Exploited - $21.996m (Indonesia) Aug 2024 - Orderly Network Discord Server Compromised - $Unknown (Global) Jun 2024 - BtcTurk Hot Wallet Network Attack - $55m (Global) Jun 2024 - Kraken Exploit Found/Used By CertiK - $3m (United States) May 2024 - DMM Bitcoin Wallet Emptied - $308.949m (Global) Apr 2024 - Rain Exchange Large Wallet Breach - $14.8m (Global) Apr 2024 - FixedFloat April Fools Day Exploit - $2.8m (Global) Feb 2024 - FixedFloat Minor Technical Problems - $26.1m (Global)2022
Dec 2022 - Midas Investments Platform Closure - $63.3m (Global) Dec 2022 - Sajid Ikram Romanceless Pig Butchering Scam - $328k (Global) Nov 2022 - CoinSquare Client Database Breach - $0k (Canada) Nov 2022 - Gemini Third Party Data Breach - $0k (Global) Nov 2022 - AAX Exchange Collapses - $100m (Global) Nov 2022 - BlockFi Withdrawals Disabled and Bankruptcy - $Unknown (United States) Nov 2022 - FTX Exchange Collapse and Bankruptcy - $8b (Global) Nov 2022 - Deribit Hot Wallet Breached - $28m (Global) Oct 2022 - Celsius Bankruptcy Releases Customer Data - $0k (United States) Aug 2022 - Crypto.com Sends $10.5m To Melbourne Woman - $10.5m (Australia) Jul 2022 - Voyager Digital Bankruptcy - $5.9b (United States) Jul 2022 - Vauld Platform Withdrawals Paused - $197.7m (Global) Jun 2022 - Babel Finance Halts Withdrawals - $Unknown (Global) Jun 2022 - Celsius Platform Withdrawals Paused - $11.8b (United States) May 2022 - Binance Tourist Billboards in Turkey - $Unknown (Turkey) Mar 2022 - VeVe Gems Acquired Illegitimately - $Unknown (Global) Mar 2022 - BlockFi Hubspot Data Breach - $0k (United States) Mar 2022 - NYDIG HubSpot Data Breach - $Unknown (United States) Mar 2022 - Circle HubSpot Data Breach - $Unknown (United States) Feb 2022 - OpenSea Fake Verification Phishing Emails - $Unknown (Global) Feb 2022 - OpenSea Phishing Attack - $3.4m (Global) Feb 2022 - TopGoal Hot Wallet Breach - $1.113m (Global) Feb 2022 - Coinbase Advanced Market Vulnerability - $0k (United States) Feb 2022 - IRA Financial Suspicious Withdrawals - $36m (United States) Feb 2022 - PayBito Customer Data Breach - $0k (United States/India) Jan 2022 - QXTraders Scam Investment First-Stranger - $2k (Canada) Jan 2022 - EmpiresX Ponzi Scheme - $100m (United States) Jan 2022 - OpenSea Old Contracts Exploited - $1.1m (Global) Jan 2022 - Crypto.com Withdrawals Triggered - $34.358m (Singapore) Jan 2022 - Coinbase Ethereum Stolen via Minecraft Mod - $22k (Unknown) Jan 2022 - OpenSea Forced Sale By Old Listing - $48k (Global) Jan 2022 - Token Tax API Key Breach SPT0615-JD - $Unknown (United States) Jan 2022 - Witty-Season-3914 Double Scam Recovery - $7k (Global) Jan 2022 - LCX Exchange Hot Wallet Hack - $7.94m (Liechtenstein) Jan 2022 - OpenSea Bored Ape Old Contract Hack - $245k (Global)2021
Dec 2021 - OpenSea Doodle Sold By Old Listing - $7k (Global) Dec 2021 - Cell Phone Repair Shop Theft hoangs2k - $73k (Canada) Dec 2021 - CoinRise Investor Losses - $Unknown (Canada) Dec 2021 - Ascendex Hot Wallet Hack - $77.7m (Singapore) Dec 2021 - Hinge Romance Scam Niki Hutchinson - $390k (United States) Dec 2021 - BitMart Hot Wallet Security Breach - $196m (Cayman Islands) Nov 2021 - Coinbase Shiba Sim Swap Case ethanhunt444 - $2k (Global) Nov 2021 - Bitcoin Sent To Litecoin Address deepfloater - $Unknown (Global) Nov 2021 - Coinbase Bank Fees z0mbiechris - $6k (United States) Nov 2021 - Coinbase Account Breach Phone Theft shotford11 - $Unknown (United States) Nov 2021 - FomoEX Ponzi Scheme - $Unknown (Global) Nov 2021 - CoinSpot Account Hacked borgy63 - $2k (Australia) Nov 2021 - Robinhood Massive Data Breached - $0k (United States) Oct 2021 - Coin-Ether Coinbase Ethereum Doubling Offer - $26k (Global) Oct 2021 - OpenSea Hashmasks Fake Listing - $Unknown (Global) Oct 2021 - DiamondFxPro/DybitFX Fake Bitcoin Broker WonderWolf46 - $3k (Global) Oct 2021 - ZBG Global Pig Butchering Scam ocean_preneur - $40k (Global) Oct 2021 - Coinbase Account Hacked Live4toys - $16k (United States) Oct 2021 - Ornery_Maintenance_8 Malware Attack on Windows 7 - $2k (Global) Oct 2021 - GravyScale Fraudulent Investment - $Unknown (Global) Oct 2021 - Coinbase Ethereum Address Typo Miserable_Earth5856 - $2k (Global) Sep 2021 - Coinbase Hack Despite 2FA BradlyL - $3k (Global) Sep 2021 - IDEEX VIP Scammed Out Of Life Savings sirarteaga - $50k (Global) Sep 2021 - CoinPryme Fraudulent Investment Platform - $Unknown (Global) Sep 2021 - CME Group Fake Investment Website chauchau899 - $10k (Global) Aug 2021 - Banksy Fake NFT Sale on OpenSea - $336k (Global) Aug 2021 - Bilaxy Hot Wallet Breach - $21.709m (Seychelles) Aug 2021 - OpenSea sohrobf Fake Support Scam - $543k (Global) Aug 2021 - Coinbase Vidovic Account Sim Swap - $169k (United States) Aug 2021 - OpenSea Fake Support Accounts - $15k (Global) Aug 2021 - Liquid Warm Wallet Liquidated - $91.35m (Japan) Aug 2021 - LCTP Global Pig Butchering Scam - $Unknown (Global) Jul 2021 - CostPayIn Dating Scam UCruz87 - $12k (Global) Jul 2021 - Bitcomex Valid Withdrawals Pig Butchering pf_12345 - $10k (United States) Jul 2021 - EZWebx Scam Exchange jonathan0402 - $Unknown (Global) Jul 2021 - Dogecoin Investment Platform Scam Biggy437 - $15k (Global) Jul 2021 - Coinskale Dogecoin Staking Scam Website Tradegrow - $20k (Australia) Jul 2021 - Coinbase Unauthorized Bank Access - $50k (United States) Jul 2021 - Animal Shelter Long Haul Scammer lendingaccount - $240k (United States) Jul 2021 - Bitmart BSV 51% Attack - $Unknown (Cayman Islands) Jul 2021 - Overflow0X Physical Cryptocurrency Robbery - $Unknown (Morocco) Jun 2021 - StakeHound Got FireBlocked - $75m (Switzerland) Jun 2021 - Pension Investment Fraud Teresa Jackson - $155k (Global) Jun 2021 - Coinbase Lawsuit People Locked From Accounts - $Unknown (United States) May 2021 - BlockFi Sends Free Bitcoin - $10m (United States) May 2021 - CoinBase 6000 Users Robbed - $Unknown (United States) May 2021 - Hinge Dating App Xau Gold Investments nholding - $25k (Global) May 2021 - WaterMine Ponzi Scheme - $Unknown (Global) May 2021 - Coinbase Deposit BSC Wrapped Ethereum Spooky007x - $2k (United States) May 2021 - BitBuy Korea Exit Scam - $Unknown (South Korea) May 2021 - Coinbase Phishing Attacks - $Unknown (United States) Apr 2021 - HotBit Downtime and Privacy Breach - $0k (China) Apr 2021 - VeBitcoin Shuts Down - $Unknown (Turkey) Apr 2021 - Thodex CEO Flees Collapse - $2b (Turkey) Apr 2021 - AfriCrypt Platform "Hacked" - $2.3b (South Africa) Apr 2021 - Category_Thin Jewelry Cabinet Seed Phrase Theft - $447k (United States) Apr 2021 - Celsius Network Phishing Attack - $Unknown (United States) Apr 2021 - Coinbase Blumetti Account Sim Swap - $503k (United States) Mar 2021 - XMiner.io Cloud Mining Scam - $Unknown (Global) Mar 2021 - Nexo Disabling Withdrawals Forcing Token Sale - $58.35m (Global) Mar 2021 - CoinBase Account Compromised jerecock - $11k (Global) Mar 2021 - Coinbase/Gemini TMobile Sim Swapping HowDoIHummus - $10k (United States) Feb 2021 - Pantera Capital HubSpot Data Breach and Pantera Coin Fraud - $Unknown (United States) Feb 2021 - Coinseed Destroyed By SEC - $3m (United States) Feb 2021 - Cryptopia Liquidation Hack - $45k (New Zealand) Jan 2021 - BuyUCoin Data Breach - $0k (India) Jan 2021 - Binance Firo (ZCoin) 51% Attack - $4.381m (Global) Jan 2021 - Indodax Firo (ZCoin) 51% Attack - $400k (Global)2020
Dec 2020 - Altilly Hot Wallets Hacked And Cold Wallets Lost - $6.7m (Sweden) Dec 2020 - Livecoin Shut Down By Hack - $3.3m (Russia) Dec 2020 - Exmo Assets Lost - $10.5m (United Kingdom) Dec 2020 - BTC Markets Privacy Breach - $0k (Australia) Nov 2020 - Celsius Network Account Hacked - $82k (United States) Nov 2020 - Bancar Hack Theft - $1.9m (Venezuela) Nov 2020 - Celsius GoDaddy DNS Hijacking - $0k (United States) Nov 2020 - Bitcoin Interchange Exit Scam - $766k (Zimbabwe) Nov 2020 - Liquid Data Leak - $0k (Japan) Oct 2020 - Cred CCO Was UK Fugitive - $330.489m (United States) Oct 2020 - OceanEx Account Breached wassim0 - $30k (Canada) Oct 2020 - KuCoin Fake Wallet Site - $Unknown (Singapore) Sep 2020 - KuCoin Hot Wallet Breach - $281m (Singapore) Sep 2020 - Robinhood Account Hacking Spree - $Unknown (United States) Sep 2020 - KuCoin Fake Exchange Website - $Unknown (Singapore) Sep 2020 - Sim Swapping AT&T - $560k (United States) Sep 2020 - Arbistar Trading Bot Overpayment - $1b (Spain) Sep 2020 - Eterbase Hot Wallets Breached - $5.4m (Slovakia) Aug 2020 - Coinbase Sim Swapping Lawsuit - $Unknown (United States) Aug 2020 - Coinbit Seizure/Investigation - $85m (South Korea) Aug 2020 - BTC ERA Phishing Attack - $0k (Global) Aug 2020 - CoinBerry ETransfer Glitch Fraud - $1.413m (Canada) Aug 2020 - Mirror Trading International - $885m (South Africa) Aug 2020 - KuCoin Fraudulent Website - $Unknown (Singapore) Aug 2020 - Bitfinex/Ethereum Classic Second 51% Attack - $3.2m (Unknown) Jul 2020 - OkEx Ethereum Classic 51% Attack - $5.6m (Malta) Jul 2020 - 2gether Hacked - $1.39m (Spain) Jul 2020 - Cashaa Wallet Hacked - $3.1m (United Kingdom) Jun 2020 - GPay/Cryptopoint/XtraderFX Shut Down - $1.68m (United Kingdom) Jun 2020 - Ledger Shopify Data Breach 2 - $Unknown (Global) Jun 2020 - HTS Coin Shuts Down - $Unknown (South Korea) Jun 2020 - MiningPoolHub Ethereum Theft - $1.282m (United States) Jun 2020 - Good Cycle Ponzi Blackmailed - $5.279m (South Korea) May 2020 - LMEX Stock Exchange - $150k (China) May 2020 - Coinbase/AT&T Account Sim Swap signalme - $4k (United States) May 2020 - Ledger Shopify Data Breach 1 - $Unknown (Global) Apr 2020 - EOS Ecosystem Ponzi Scheme Collapses - $52m (China) Feb 2020 - Coinbase Sim Swapping SaltedAvocadosMhh - $15k (United States) Feb 2020 - VBITEX Hacked - $Unknown (Unknown) Feb 2020 - Altsbit Hot Wallets Hacked - $317k (Italy) Feb 2020 - FCoin Collapses - $125m (China) Jan 2020 - Binance/Bitcoin Gold Double Spend Hack - $72k (Malta)2019
Dec 2019 - RG Coins Shuts Down - $7m (Bulgaria) Dec 2019 - Cloud Token Wallet Service - $500m (Singapore) Nov 2019 - Upbit Hot Wallet Hack - $49.2m (South Korea) Nov 2019 - GateHub Privacy Breach - $0k (United Kingdom) Nov 2019 - BitMEX Email Gaffe - $0k (Seychelles) Nov 2019 - VinDAX Exchange Hacked - $500k (Vietnam) Nov 2019 - BeenTrade Fake Crypto Exchange - $Unknown (Global) Nov 2019 - IDAX Global CEO Disappears - $Unknown (China) Nov 2019 - Einstein Exchange - $12m (Canada) Oct 2019 - OvexTrade Withdrawal Fraud Platform - $Unknown (Global) Oct 2019 - WoToken Wallet Service - $1.1b (China) Sep 2019 - Coinhouse Phishing Attack - $Unknown (France) Sep 2019 - Cryptopia Ex-Employee Theft - $235k (New Zealand) Aug 2019 - CoinTiger PTT "Cold Wallet" Breach - $1.708m (Singapore) Aug 2019 - EZ-BTC/Dave Smillie - $3.9m (Canada) Jul 2019 - InnovaMine Cloud Mining Operation - $7m (Global) Jul 2019 - BitPoint Hot Wallet Hack - $32.2m (Japan) Jul 2019 - Soxex Collapse - $1m (Unknown) Jul 2019 - Bitmarket Gone Without Warning - $23m (Poland) Jun 2019 - QuickBit Privacy Breach - $0k (Sweden) Jun 2019 - Koinex Shuts Down Regulatory Uncertainty - $Unknown (India) Jun 2019 - Unknown Platform Cyber-Squatting - $27.2m (Global) Jun 2019 - Bitrue Hot Wallet Breach - $4.5m (Singapore) Jun 2019 - Kraken Flash Crash (Suspected Theft) - $10m (United States) Jun 2019 - Bitsane Exit Scam - $155k (Ireland) Jun 2019 - PlusToken Wallet and Exchange - $6b (South Korea) Jun 2019 - Gatehub Customer XRP Wallets Breached - $10.1m (United Kingdom) May 2019 - Remitano False XRP Deposit - $Unknown (Seychelles) May 2019 - CoinBase Sim Swapping - $100k (United States) May 2019 - Binance Hot Wallet Theft - $41.238m (Malta) May 2019 - Bitcoins Norway AlphaPoint Attack - $500k (Norway) May 2019 - BitoPro XRP Partial Payment Theft - $2.122m (Taiwan) May 2019 - CoinRoom Goes Boom - $Unknown (Poland) Apr 2019 - BitFinex and Crypto Capital - $880m (Hong Kong) Apr 2019 - Bittrex AT&T Gregg Bennett SIM Swap - $507k (United States) Apr 2019 - Coinbene Hack Cover-Up - $100m (International) Mar 2019 - BiKi Password Tampering - $123k (Singapore) Mar 2019 - DragonEx Hacking Theft - $7m (Singapore) Mar 2019 - Etbox Wallet Hacked - $132k (Seychelles) Mar 2019 - Bitcoin Evolution Celebrity Impersonation Ponzi - $670m (Global) Mar 2019 - Mercatox EOS Breach - $Unknown (United Kingdom) Mar 2019 - Bithumb EOS/XRP Hack - $19.2m (South Korea) Mar 2019 - Gatecoin Enters Liquidation - $Unknown (Hong Kong) Feb 2019 - CoinBin Declares Bankruptcy - $26m (South Korea) Feb 2019 - Coinmama User Data Breached - $0k (Ireland) Feb 2019 - QuadrigaCX Bankruptcy - $215m (Canada) Jan 2019 - Liqui Shuts Down - $0k (Ukraine) Jan 2019 - CoinZest Accidental Airdrop - $5.3m (South Korea) Jan 2019 - CryptoCashBack Rewards Program Trojan - $85k (Global) Jan 2019 - Komid Fraudulent Platform Withdrawals - $Unknown (South Korea) Jan 2019 - Cryptopia Exchange ERC20 Hack - $20.447m (New Zealand) Jan 2019 - Coinbase Halts Ethereum Classic Trading - $0k (United States) Jan 2019 - Gate.io Ethereum Classic 51% Attack - $271k (Cayman Islands) Jan 2019 - Bitrue Ethereum Classic 51% Attack - $14k (Taiwan/Singapore)2018
Dec 2018 - Coinone Unauthorized Customer Withdrawal - $48k (South Korea) Dec 2018 - CoinFlux CEO Arrested - $Unknown (Romania) Nov 2018 - Gate.io Crypto-Stealing JavaScript - $Unknown (Marshall Islands) Nov 2018 - Pure Bit Exit Scam - $2.8m (South Korea) Oct 2018 - AT&T Coinbase Gemini Sim Swap Apple's Robert Ross - $1m (United States) Oct 2018 - Wirex Account Hacked SambucciTony - $Unknown (Global) Oct 2018 - Trade.io - $8m (Switzerland) Oct 2018 - MapleChange Exchange Hacked - $6m (Canada) Sep 2018 - Zaif Hacking Theft - $60m (Japan) Jul 2018 - WEX Collapses - $400m (Russia) Jun 2018 - Huobi Account Breached Despite 2FA xemtime - $16k (Global) Jun 2018 - Zebpay Shutdown In India - $0k (India) Jun 2018 - Binance Account Hacked BeanThe5th - $50k (Global) Jun 2018 - Bithumb Hacking - $32m (South Korea) Jun 2018 - CoinRail Exchange Hack - $40m (South Korea) May 2018 - AT&T Employees Rob Seth Shapiro - $1.8m (Global) May 2018 - Binance Bitcoin Gold 51% Attack - $Unknown (Cayman Islands) May 2018 - Bithumb Bitcoin Gold 51% Attack - $Unknown (South Korea) May 2018 - Bitinka Bitcoin Gold 51% Attack - $Unknown (Peru) May 2018 - Bitfinex Bitcoin Gold 51% Attack - $Unknown (Hong Kong) May 2018 - Bittrex Bitcoin Gold Double-Spend - $255k (Liechtenstein) Apr 2018 - CoinSecure Exchange Hack - $3.3m (India) Mar 2018 - Coinnest Platform CEO Embezzlement - $940k (South Korea) Mar 2018 - Binance Phishing Campaign - $8.8m (Singapore) Feb 2018 - BitGrail NANO Hack - $170m (Italy) Jan 2018 - USI Tech Ponzi Scheme - $13.3m (Global) Jan 2018 - Unknown Sim Swapping Michael Terpin - $24m (United States) Jan 2018 - CoinsMarkets Exit Scam - $Unknown (Cyprus) Jan 2018 - Canadian Bitcoins Robbery - $0k (Canada) Jan 2018 - Coincheck NEM Token Hack - $530m (Japan)2017
Dec 2017 - BitKRX Exit Scam - $Unknown (South Korea) Dec 2017 - Chain.group Ponzi Scheme - $Unknown (Global) Dec 2017 - Youbit Exchange Hack - $2.65m (South Korea) Dec 2017 - NiceHash Exchange Hack - $64m (Slovenia) Nov 2017 - Tether USDT Token Theft - $30.95m (Global) Nov 2017 - Optioment Bitcoin Ponzi Scheme - $136.313m (Global) Nov 2017 - Exchange Account Drained TMobile Sim Swap Carlos Tapang - $12k (Global) Nov 2017 - Hexabot.top High Yield Investment Scheme - $Unknown (Global) Sep 2017 - Bitfinex Phishing Website - $Unknown (Global) Aug 2017 - Bittrex Spoofed Website Hack GodOfWhatevers - $100k (Liechtenstein) Aug 2017 - Kraken ETH SIM Swap Jeremiah Nichol - $12k (United States) Jul 2017 - BTC-e Assets Seized By US Authorities - $990m (Russia) Jul 2017 - Centra Tech Fake Debit Card - $25m (United States) Jul 2017 - Coindash ICO Theft - $7.4m (Global) Jul 2017 - Unknown Ripple Exchange Phishing Scam - $800k (Global) Jun 2017 - GladiaCoin Multi-Level Marketing Scheme Collapses - $Unknown (Global) Jun 2017 - Bithumb Privacy/Phishing Hack - $31m (China) Jun 2017 - QuadrigaCX Contract Error - $14.7m (Canada) Apr 2017 - Yapizon Exchange Hack - $5.3m (South Korea)2016
Oct 2016 - Bitcurex Exchange Hack - $1.5m (Poland) Aug 2016 - Bitfinex Security Breach - $72m (Hong Kong) May 2016 - Gatecoin Hack - $2.5m (Hong Kong) Mar 2016 - CoinTrader/NewNote Shuts Down - $1.5m (Canada) Jan 2016 - Cryptsy Withdrawals Closed/Bankruptcy - $4.291m (United States)2015
Dec 2015 - Ripple Trade Shut Down - $0k (Global) Sep 2015 - My Big Coin Fraudulent Service - $6m (United States) May 2015 - Bitfinex Hot Wallet Hack - $356k (Hong Kong) Mar 2015 - Ripple Trade Japan Fraud - $1m (Japan) Mar 2015 - Coinapult Hot Wallet Hack - $43k (Panama) Mar 2015 - AllCrypt WordPress Exploit Theft - $12k (Unknown) Feb 2015 - BTER Bitcoin Heist - $1.75m (China) Feb 2015 - Kipcoin Exchange Hack - $690k (China) Feb 2015 - MyCoin Exchange Bankruptcy - $387m (Hong Kong) Jan 2015 - 796 Exchange Hack - $230k (China) Jan 2015 - Bitstamp Hot Wallet Hack - $5.1m (Luxembourg)2014
Oct 2014 - BTC-e Data Leak - $0k (Russia) Oct 2014 - Ripple Trade Ripple and Stellar Hacking - $0k (Global) Oct 2014 - JustCoin Exchange Ripple and Stellar Hacking - $150k (Norway) Oct 2014 - Mintpal Exchange Exit Scam - $1.3m (United Kingdom) Aug 2014 - BTER NXT Token Theft - $1.65m (China) Aug 2014 - BitNZ MailJet Hack - $23k (New Zealand) Jul 2014 - Cryptsy Exchange Hack - $8.516m (United States) Jul 2014 - MintPal Vericoin Hack/Rollback - $2m (United Kingdom) Jul 2014 - Bitcoins Reserve Social Engineering - $63k (Australia) Mar 2014 - Flexcoin Hot Wallet Hack - $600k (Canada) Mar 2014 - Bitcurex Targeted by Hacking - $844k (Poland) Mar 2014 - CryptoRush Hack - $800k (United States) Mar 2014 - Poloniex Withdrawal Hack - $65k (United States) Feb 2014 - Mt. Gox Halts Trade Over Major Hack - $300m (Japan)2013
Dec 2013 - Intersango Exit Scam - $14k (United Kingdom) Nov 2013 - Sheep Marketplace Bitcoin Theft - $5.823m (Czech Republic) Nov 2013 - Inputs.io Additional Lish Attack - $57k (Australia) Nov 2013 - BIPS Wallet Service - $650k (Denmark) Nov 2013 - Czech Bitcash.cz Hacked - $200k (Czech Republic) Nov 2013 - Bidextreme.pl Exchange Hacked - $Unknown (Poland) Nov 2013 - Picostocks “Cold Wallet” Hack - $6m (Marshall Islands) Oct 2013 - Input.io “Wallet” Hack - $1.267m (Australia) Oct 2013 - Inputs.io API Compromised - $Unknown (Australia) Oct 2013 - GBL Exchange Exit Scam - $4.1m (China) Oct 2013 - Canadian Bitcoins Social Engineering Theft - $100k (Canada) Sep 2013 - CoinLenders Platform Closes With Funds - $869k (Australia) Aug 2013 - Inputs.io Phishing Attack - $Unknown (Australia) Jul 2013 - WeExchange Ripple Gateway Hacked - $590k (Australia) Jul 2013 - Mt. Gox User champbronc2 Hacked - $2k (Global) Jul 2013 - Bitfunder and WeExchange Hack - $788k (United States) May 2013 - Vircurex Second Exchange Hack - $341k (Unknown) Mar 2013 - Mercado Bitcoin - $101k (Brazil) Feb 2013 - Bit LC Theft - $51k (Panama) Jan 2013 - Vircurex Exchange Hack - $50m (Germany)2012
Dec 2012 - BitMarket.eu Custodian Failure - $400k (Poland) Sep 2012 - Bitfloor Exchange Hack - $240k (United States) Aug 2012 - Kronos.io Pre-Launch Bitcoin Heist - $43k (Italy) Jul 2012 - BTC-e Hack - $42k (Russia) Jul 2012 - Bitcoinica Another Hot Wallet Hack - $305k (New Zealand) Jun 2012 - CryptoXChange Withdrawal Refused - $115k (Australia) May 2012 - World Bitcoin Exchange - $25k (Australia) May 2012 - Bitcoinica Hot Wallet Hack - $91k (New Zealand) Mar 2012 - Bitcoinica Linode Web Host Hack - $228k (New Zealand)2011
Oct 2011 - Mt. Gox Coins Destroyed - $8k (Japan) Oct 2011 - Bitcoin7 Exchange Hack/Fraud - $50k (Unknown) Jul 2011 - MyBitcoin Exchange Hack/Fraud - $1.082m (Unknown) Jul 2011 - Bitomat Exchange Wallet.dat File Deleted - $220k (Poland) Jun 2011 - MyBitcoin Username/Password Breach - $72k (Unknown) Jun 2011 - Mt. Gox Auditor Theft - $47k (Japan)If you know of a cryptocurrency exchange hack, scam, or fraud event which is not on our list, or see any information that is out of date or needing update, please send us an email or join the discussion!