US securities regulator rolls out five-year exemption for tokenized stock trading ↧ ↧ US securities regulator rolls out five-year exemption for tokenized... The U.S. Securities ​and Exchange Commission on Thursday unveiled its long-awaited exemption that will allow companies to offer trading in blockchain-based or "tokenized" stocks ‌and other securities, in a major move that could integrate digital assets more deeply into traditional markets.