Tether has announced that it had reserves worth $66.4 billion (roughly Rs. 5,30,680 crore) at the end of June. The world’s largest ‘stablecoin’ cryptocurrency said its reserves were down from $82.4 billion (roughly Rs. 6,58,592 crore) at the end of March. Tether on Thursday said it had hired accounting firm BDO Italia to publish monthly proof-of-reserves reports.