The SEC wants to let newly public companies raise cash instantly in its biggest rule change in decades

The agency is proposing its largest overhaul of public listing rules in over 20 years, cutting compliance costs and giving crypto firms a much easier path to raise cash on Wall Street.

The U.S. Securities and Exchange Commission has proposed sweeping changes to initial public offering (IPO) and public-company rules that could make it easier for firms, including crypto companies, to go public in…