Iris Energy (IREN), a Nasdaq-listed Bitcoin mining firm, reported mining 620 BTC in June, slightly down from 627 BTC in May. Despite the small decrease, the company's mining operations remain robust. This news highlights the ongoing activity within the cryptocurrency mining sector. Iris Energy's ability to maintain a high level of Bitcoin production demonstrates their operational efficiency in a competitive market. The company also revealed that its $550 million convertible note offering was oversubscribed, signaling strong investor confidence in Iris Energy's future prospects and growth strategy within the evolving digital asset landscape. This financial boost will likely fuel further expansion of their mining infrastructure. ```