A 37-year-old man from Navi Mumbai allegedly lost more than Rs 10 lakh after fraudsters persuaded him to invest in cryptocurrency promising high returns, an official said on Friday. In his complaint, the man said some individuals contacted him over the phone and Telegram app between February 9 and February 11, claiming he would get lucrative returns if he invested in cryptocurrencies like bitcoins and other digital assets. He then transferred Rs 10.61 lakh into various accounts as advised by the scammers.