[Walmart's Fintech Company OnePay Plans to Launch Crypto Trading Services This Year, Initially Supporting BTC and ETH] According to CNBC, citing informed sources, OnePay, the fintech company controlled by retail giant Walmart, plans to launch cryptocurrency trading and custody services in its mobile app later this year. The service will initially support Bitcoin (BTC) and Ethereum (ETH), with the technology partner being the startup Zerohash.