A push for landmark US cryptocurrency legislation collapsed on Tuesday after Republicans and Democrats in Congress failed to bridge months-old differences over ethics, banking and how the fast-growing industry should be regulated.

The Digital Asset Market Clarity Act failed to secure the 60 votes needed to advance to a debate in the Senate, with safeguards governing President Donald Trump’s extensive crypto interests among the biggest obstacles to a deal.

Massachusetts Senator Elizabeth Warren, the top Democrat on the Senate Banking Committee, said the bill posed “massive risks to families, our national security, and our economy.”

“And if that’s not bad enough, while Americans across the country suffer from an…