Oct 5 : The US commodities regulator proposed on Monday a new federal framework for cryptocurrency exchanges that offer leveraged digital asset trading, seeking to bring parts of the spot crypto market under federal oversight weeks after Congress failed to advance comprehensive crypto regulation.

The US Commodity Futures Trading Commission’s proposed rules would effectively allow US crypto exchanges to opt into a federal regulatory framework instead of relying primarily on a patchwork of state money-transmitter licenses, the agency said. 

The proposed rules make use of a specific authority the CFTC has to oversee margined or leveraged spot assets. The CFTC has long sought authority to regulate spot cryptocurrency markets — which…