Internet reports, Bloomberg reports that crypto exchange Kraken said its second-quarter revenue increased, but adjusted earnings fell slightly as market share increased. The company stated that its second-quarter revenue increased 18% from a year earlier to $412 million; adjusted pre-tax profit reached $79.7 million, down approximately 7% from $85.5 million, as the company invested in new products and geographical expansion. Kraken's total exchange trading volume during the quarter reached US$186.8 billion, a year-on-year increase of 19%. Kraken's capital injection accounts increased by 37% to 4.4 million.