[Spain's Largest Crypto Scam FX Winning Leader Arrested in Dubai, Involving Over €460 Million] According to CriptoNoticias, Spanish citizen David Merino has been arrested in Dubai for allegedly leading the crypto Ponzi scheme FX Winning. This scheme is the largest cryptocurrency-related Ponzi scam in Spain's investigative history, involving over €460 million and affecting approximately 15,000 investors. Merino continued to operate the scheme from behind the scenes after officially leaving the company in 2021, attracting funds by promising high returns on forex and cryptocurrency investments. Its operational model involved using funds from new investors to pay earlier investors, and the scheme operated in about 30 countries. Spain typically has 15 to 40 days to submit extradition documents to the UAE. Additionally, FX Winning is under investigation in the United States and Mexico, with the U.S. Drug Enforcement Administration (DEA) estimating the scam's involvement in $100 billion.