Executives of six cryptocurrency companies urged Congress on Wednesday to clarify regulations, relax restrictions, and bring about tailor-made legislation for the booming $3 trillion sector. Washington is still figuring out how to manage the decade-old digital asset market in which almost 16 percent of Americans have made at least one transaction. A partisan divide was visible at the House Financial Services Committee hearing where executives explained the technically-advanced industry, and how tougher regulations might send cryptocurrency companies packing off to foreign destinations with more agreeable terms of conduct. “We need clear standards and the government’s support to create a new, more secure, more competitive financial system,” said Charles Cascarilla, CEO of Paxos, a New York-based cryptocurrency brokerage platform. “The benefits of getting this right are enormous—but so are the consequences of getting it wrong.” Democrats were worried about the inherent risks in cryptocurrency products that include extreme price volatility, alleged …