Amit Bhardwaj, who was arrested in Bangkok and brought back to Pune, is the alleged mastermind behind Bitcoin Ponzi schemes worth ₹2,000 crore. Bhardwaj founded crypto companies GB Miners, Amaze Miners, GainBitcoin, and CoinBank Wallet and also launched his own token called MCAP. Besides authoring books on cryptocurrency, he established India's first online retailer which used to accept Bitcoin.