The Dark Side of Cryptocurrency: 5 Infamous Cybercrimes Revealed

Top 5 cryptocurrency transfer errors and cybercrimes in history.

• User Lost $300 Million Worth of Bitcoin Due to Typo : A cryptocurrency user accidentally typed one wrong character in his digital wallet address, resulting in the permanent loss of his funds.
• Poly Network Hacker Returns Almost All of $600 Million in Stolen Funds : Hackers who stole $611 million worth of crypto assets from Poly Network, a cross-chain platform, returned almost all of the money after claiming it was a “ white hat attack ".
• Bitfinex Loses $72 Million in Bitcoin Hack. Bitfinex, one of the largest cryptocurrency exchanges, suffered a security breach that resulted in the theft of 119,756 bitcoins, worth approximately $72 million at the time.
• QuadrigaCX Founder Dies With Keys to $137 Million : The founder and CEO of QuadrigaCX, a Canadian cryptocurrency exchange, died unexpectedly, leaving no access to the cold wallet holding $137 million in customer funds.
• Mr. Gox Files for Bankruptcy After Losing $473 Million in Bitcoin Hack : Mt. Gox, once the world's largest bitcoin exchange, filed for bankruptcy protection after admitting it had lost 850,000 bitcoins, worth about $473 million, in a cyberattack.