Fidelity Digital Asset Services (FDAS) is “now engaged in a full rollout” of its custody and trading services, expanding from the limited trial users in the platform’s final test stage, according to a Financial Times interview. While there are several platforms providing similar services, Johnson said Fidelity’s large client base and network were distinct advantages.Coinbase, for example, “is still a company that most people had never heard of, and they don’t have the existing relationships with the independent advisers,” Johnson told the FT.