Mark Karpeles is a French businessman and computer programmer who was formerly the CEO of Mt. Gox, one of the earliest and largest Bitcoin exchanges. Born on June 1, 1985, Karpeles became involved in the cryptocurrency industry in the early 2010s and played a prominent role in the development of Mt. Gox. Under Karpeles' leadership, Mt. Gox grew to become the world's leading Bitcoin exchange, handling a significant portion of the global Bitcoin trading volume. However, in February 2014, Mt. Gox abruptly halted all trading and filed for bankruptcy, citing the loss of 850,000 bitcoins belonging to customers and 200,000 bitcoins belonging to the exchange itself, totaling approximately $450 million at the time. The collapse of Mt. Gox sent shockwaves through the cryptocurrency community and led to widespread criticism of Karpeles and the exchange's management practices. Karpeles faced legal action from creditors and investors who sought to recover their lost funds, and he was eventually arrested by Japanese authorities in August 2015 on charges of embezzlement and data manipulation. Following his arrest, Karpeles spent several years in legal proceedings in Japan, where he maintained his innocence and denied any wrongdoing. In March 2019, he was acquitted of embezzlement charges but found guilty of falsifying financial records, for which he received a suspended prison sentence. Despite the legal challenges and controversy surrounding his tenure at Mt. Gox, Karpeles remains a notable figure in the history of the cryptocurrency industry. The collapse of Mt. Gox served as a stark reminder of the risks associated with centralized exchanges and the importance of security and transparency in the management of digital assets.