Overstock Blockchain Spin-Off Raises $134 Million – With Millions More Committed ByStan HigginsPRO INVESTOR Updated: 04 October 2021 DisclosureWe sometimes use affiliate links in our content, when clicking on those we might receive a commission – at no extra cost to you. By using this website you agree to our terms and conditions and privacy policy. Overstock.com subsidiary tZero raised $134 million in its security token offering, the company said Thursday.