In order to maintain a good, consistent consumer experience, both telcos and banks should stick to their current methods of registration, authentication (SIM based) and other data checks deemed necessary for checks while registering a user for financial transactions.
In recent years it has been involved in controversy over issues such as whether registration of Native American sports team names (Washington Redskins) is offensive to the public good, or a good and permissible defensive strategy by the NFL and the team.