Walmart-backed fintech OnePay plans to roll out cryptocurrency trading and custody features in its app by the end of the year. The service will let users buy, hold, and convert bitcoin and ether within the app, with crypto infrastructure provided by Chicago-based Zerohash, CNBC reports , citing sources familiar with the matter. Though OnePay hasn’t publicly confirmed the rollout, the move would put it in line with competitors like Venmo, Cash App, and PayPal, which already offer crypto trading to U.S. ...