tZero announced it has issued its preferred tZero security tokens, sold during the Security Token Offering (STO) earlier this year. The company raised $134 million from investors worldwide during the months-long STO. ICO to STO The offering launched as a more typical pre-sale ICO towards the end of last year. This became the second stage STO in March, after review by the Securities and Exchange Commission (SEC). tZero raised $134 million from investors worldwide over theRead MoreThe post Overstock’s tZero Issues SEC-Complaint Security Tokens appeared first on Bitcoinist.com.