The ninth circuit court of appeals recently held that at&t may be liable for $ 24 million due to a sim swap. · a cryptocurrency investor who says he lost $ 24 million after his phone number was stolen in two hacks wants at&t to pay him more than $200 million in damages. Terpin fell victim to a sim. Michael terpin was. · but the wall street journal recently reported that he lost a staggering sum due to not market fluctuations, but a new kind of cyberattack known as sim swapping. This latest sentencing highlights the ongoing risks of inadequate digital security and the high stakes of cryptocurrency-related cybercrime. · another infamous case involved investor michael terpin, who lost $ 24 million in crypto and sued at&t for failing to prevent the sim - swap. · one crypto investor lost bitcoin worth as much as $ 24 million after falling victim to a new kind of hack known as sim swapping , the wall street journal reported. · a crypto investor ( michael terpin ) has lost bitcoin worth as much as $us24 million after falling victim to a sim swapping scandal involving a theft of 1,500 bitcoins.