As a deal between three Canadian companies to form the country’s largest cryptocurrency trading platform closes on Monday, the combined parent business will “cherry pick” which parts to keep and which ones to lose, shutting down one of the firms entirely. Vancouver-based WonderFi Technologies Inc. announced its merger with Toronto-based crypto firms CoinSmart Financial Inc. and Coinsquare Ltd. in April, ending a months-long heated exchange between the three companies. On Monday morning,...