To access dollar exposure when you cannot access it through traditional or sanctioned financial systems, institutions, and infrastructure. These orgs are trying to skate to where the puck is going to be; as instant payments negate the need for commercial domestic payment rails, there still exists a TAM of global unbanked who may want to hold dollars, but for whatever reason, are unable to. Is it rails? Is it a wallet? Choose your own adventure in a low regulatory environment.
Zelle is issuing their own dollar coin in India, for example.