In case you thought that blockchain was just for crypto, Nasdaq may want to have a word. It petitioned the Securities and Exchange Commission Monday for permission to tokenize US securities, including stocks and exchange-traded products. The setup it’s proposing would allow investors to choose how their trades are executed: the traditional way or via a distributed ledger. If they choose the latter, the Depository Trust Corporation would handle the backend work to clear and settle, recording assets on the ...