For congressional candidate Shrina Kurani, cryptocurrency is not only the future of money, it’s a transformative technology that could revolutionize campaign funding and attract a new generation of voters. She is among a vanguard of candidates courting campaign contributions in digital currencies such as Bitcoin. “We are a campaign that is speaking to a large part of the population, especially younger people,” said the American-born daughter of Indian immigrants, who is on Tuesday's primary ballot as she seeks the Democratic nomination for a congressional seat east of Los Angeles.