According to the Wall Street Journal, 21 Inc. has raised $116 million in venture funding. 21's lead investors include Andreessen Horowitz and RRE Ventures, along with Chinese private-equity firm Yuan Capital, with a strategic stake going to chipmaker Qualcomm.

Additionally, Khosla Ventures and Data Collective have invested in 21, as well as chief executives and founders from various tech companies, including PayPal co-founders Peter Thiel and Max Levchin, eBay Inc. co-founder Jeff Skoll, Dropbox Inc. CEO Drew Houston, Expedia Inc. CEO Dara Khosrowshahi and Zynga Inc. co-founder Mark Pincus.

21 is a bitcoin mining hardware company.