A South Korean Supreme Court has sentenced a crypto fraudster to 10 years in prison for orchestrating a $153 million scam. The culprit, identified as Ahn Byung-hoon, ran a Ponzi scheme promising guaranteed returns on cryptocurrency investments. He reportedly swindled 4,800 victims out of their savings, causing immense financial hardship for many. This case highlights the ongoing risks associated with unregulated cryptocurrency investments and the importance of thorough due diligence before investing.