The evidence provided strongly and consistently supports the statement that legislation concerning the market structure of cryptocurrency has received bipartisan backing. The most authoritative primary sources directly confirm this. The official U.S. Congress website for H.R. 4763 (the Financial Innovation and Technology for the 21st Century Act), a bill explicitly dealing with digital asset market structure, documents its bipartisan cosponsors and the official roll call vote. A press release from the House Financial Services Committee explicitly states the bill passed with a 'strong bipartisan vote.' This is further substantiated by analyses from law firms like Mayer Brown and White & Case, which report the specific 279-136 vote count and note that a significant number of Democrats (71) joined the Republican majority to pass the bill. Broader analyses from Arnold & Porter and the Congressional Research Service establish that digital asset regulation is a recognized policy area with interest from both parties. While one source notes opposition from key Democrats like Maxine Waters, this provides important nuance rather than a contradiction. 'Bipartisan backing' does not imply unanimous consent; the existence of a successful House vote with substantial support from members of both parties is definitive proof that such backing exists. The only unreliable source, a Facebook post, was disregarded due to its extremely low authority.