Federal courts seem to be signaling lawmakers in Washington that the time for revamped cryptocurrency regulation is now. 

In cases involving Uniswap and Grayscale over the past week, courts have denounced reasoning from the Securities and Exchange Commission, with one judge suggesting Congress should take the lead. 

The high profile rulings come as lawmakers, mostly led mostly by Republicans, have been trying to draft and advance bills over the past year in an effort to write comprehensive rules for the industry. SEC Chair Gary Gensler, meanwhile, has argued that new legislation is not needed to regulate crypto and has said securities law is time-tested. 

Some experts say the judicial logic in both recent court cases, especially from judges that were appointed by …