Jack Dorsey, co-founder and CEO of Block Inc. XYZ, on Monday encouraged merchants using the company's Square platform to test Bitcoin BTC/USD payments.XYZ is trading in a tight range. Get the market research here.‘Exciting’ Unlock For Square SellersDorsey took to X, saying, "Help us turn your local square seller onto Bitcoin," continuing on an ongoing discussion over the point-of-sale system’s Bitcoin payment initiative.Dorsey quoted a post from Aaron Hammer, senior software engineer at Square, who invited ...