In this episode of The Challengers, Josh Liggett and Zack Miller explore Sofi's move to get a bank charter and what it may mean for the company, as well as for its platform business, Galileo. Josh and Zack talk about N26's recent admission that in a push to globalize, it missed the move to crypto. . Lastly, your hosts discuss the UK's Starling Bank and its move to become a platform. Josh and Zack discuss how good unit economics enable challenger banks -- particularly ones focused on B2C -- to turn into software plays, supporting banking products and services for other fintechs.