A new report from distributed ledger startup Ripple suggests institutional investors are increasingly interested in its native cryptocurrency, XRP. According to the San Francisco startup, its licensed subsidiary sold $31 million worth of XRP during Q2 2017. The figure was up threefold from Q1, when it recorded $6.7 million in sales. According to the report, $21 million in such purchases came from institutional investors who actively approached the company through Ripple's licensed money service business.