A 31-year-old man was arrested from Bengaluru by Mumbai police for allegedly duping a music teacher of Rs 2.43 lakh with the promise of high returns on a cryptocurrency investment, an official said on Tuesday.

As per the complaint filed by the victim at Matunga police station, he had received a message on his mobile from one 'Argohash' about the chance to earn Rs 2,000 per day through cryptocurrency mining. he said.