Norwegian authorities have charged four men in connection with an $80 million cryptocurrency fraud scheme that defrauded thousands of investors across multiple countries. The fraudulent activities reportedly took place between 2015 and 2021. As cryptocurrency scams proliferate, various law enforcement agencies, including the FBI, have issued warnings about rising scams, particularly during tax season. The FBI has initiated Operation Level Up to alert potential victims of online scams, especially those involving cryptocurrency investments. Reports indicate that scammers are increasingly using crypto ATMs and fake websites to trick consumers into sending money. Authorities stress the importance of vigilance and caution when dealing with unsolicited communications and investment opportunities.