hut 8 mining corp said friday that canadas competition watchdog wont challenge the companys merger with usbased us data mining group inc the canadian digital currency miner said it received a noaction letter from the competition bureau of canada that confirms that it doesnt intend to challenge the transaction before the competition tribunal in early february hut 8 mining and us data mining group which does business under the name us bitcoin corp said they were combining in an allstock merger of equals the transaction still requires certain other regulatory approvals as well as shareholder approval and a court approval