Security token trading platform tZERO, a portfolio company of digital retailer Overstock, has begun the process of giving investors control of tokens bought during a sale the firm completed last August. In a letter sent to investors late Thursday, tZERO CEO Saum Noursalehi outlined the first steps toward taking custody of the tZERO security tokens. TZERO wrapped up the $134 million offering in August, and in October said that it had completed the issuance of the tokens, which were then locked up in a custodial wallet until January 10, as outlined in a press statement at the time. “As you are aware, on October 12, ... (full story)