San Francisco based decentralized exchange protocol Ox has raised $24m in an initial coin offering with participation from Polychain Capital, Blockchain Capital and Pantera Capital, along with Chinese investment firms Jen Advisors and FBG Capital. The token sale took place between August 15 and 16, collecting the $24 million worth of ether – the cryptocurrency of the ethereum network – from a group of 12,000 backers, according to the 0x team.