Sophia Goldberg, author of "The Field Guide to Global Payments," joins Amias Gerety to answer the age old question: Are payments companies getting paid too much (or too little) for the value they provide?

More on fintech:

• BIS’s Hyun Song Shin on crypto, CBDCs, and designing money
• Market swings, software-based investing — and community banking

This report was corrected to reflect Sophia Goldberg's position title.