Cryptocurrency mining company Terawulf (WULF) recorded Q2 sales of $44.8 million, with high-performance computing (HPC) lease contract revenue accounting for 71% of the total, The Block reported. This contract resulted from Terawulf's expansion into the data center business. Along with Terawulf, traditional cryptocurrency mining companies such as Marathon Digital Holdings (MARA), IREN, CleanSpark (CLSK), and Cipher Mining (CIFR) are increasingly transitioning to data center businesses.