Cardano, along with bitcoin and ether, might become a popular cryptocurrency, according to a portfolio strategist for the American financial services firm Morningstar. In a recent interview with the Insider, Amy Arnott, a cryptocurrency-focused portfolio strategist at Morningstar, discussed her thoughts on crypto regulation, ether, and cardano. Cardano is a protocol comparable to Ethereum in that it offers a wide range of technological applications. Cardano, as well as various stablecoins, have sparked a lot of interest.