Mastercard is in advanced negotiations to purchase Zerohash, a startup that provides stablecoin and blockchain infrastructure, for a price reportedly between $1.5bn and$2bn, reported Fortune citing sources. The negotiations are not complete, and the proposed transaction could still fail to materialise, the report said. Zerohash, established in 2017 and headquartered in Chicago, offers infrastructure that supports stablecoins and crypto trading. Its services include tools for firms to deploy crypto trad ...