The Navi Mumbai police have registered a case against six persons for allegedly duping a man of Rs 87 lakh after promising him high returns in cryptocurrency trade, an official said on Sunday, reported news agency PTI.

Since May last year, the accused lured the 48-year-old victim to join a WhatsApp group for the purchase of USDT (cryptocurrency) and made him pay Rs 87,48,141 on different IDs for it, cyber police station's senior police inspector Gajanan Kadam said while sharing an update on the Navi Mumbai cryptocurrency fraud, reported PTI.