A recent flood of institutional demand for blockchain technology has helped to mint a new unicorn. Zerohash, a crypto and stablecoin infrastructure company headquartered in Chicago, announced Tuesday that it had raised $104 million at a $1 billion valuation. Interactive Brokers, a publicly traded brokerage, led the round. In a crowded field of infrastructure companies, Zerohash has carved out a name for itself by helping financial institutions and fintechs build out their own products for stablecoins, c ...