Crypto-backed political groups supported several winning candidates in Texas primary runoffs Tuesday, highlighting the digital asset industry’s growing role in US elections as Congress debates new rules for crypto markets.

Attorney General Ken Paxton won the Republican US Senate runoff against four-term Senator John Cornyn by a wide margin, according to Texas primary runoff results, and will face Democratic state Representative James Talarico in November.

In Houston’s 18th Congressional District, Democrat Christian Menefee unseated fellow Democrat representative Al Green in a decisive win after Republican-led redistricting forced the two incumbents into the same district, ousting one of the state’s most senior House members.