NEW YORK :Nasdaq is working with U.S. regulators to introduce trading of tokenized securities, becoming the latest major financial player on Wall Street to double down on a boom in tokenization amid an easing of crypto regulations under the Trump administration. If approved, the move would mark the first instance of tokenized securities being allowed to trade on a major U.S. stock exchange, and also signify the most ambitious attempt yet by an exchange operator to bring blockchain-based