Stablecoin fever is still running hot. Zerohash, a crypto and stablecoin infrastructure startup, is set to raise about $100 million at nearly a $1 billion valuation, according to two sources familiar with the deal. The publicly traded online brokerage Interactive Brokers is leading the funding round, said the two people, who spoke to Fortune on the condition of anonymity to discuss private business dealings. Spokespeople for zerohash and Interactive Brokers declined to comment. The fundraise fol...