Cash is still king in many places in the world. Mastercard has had a huge impact on this payments ecosystem, developing technologies enabling global commerce and financial services. Paul Graham, the Director of Mastercard Labs, talks about future opportunities in digitization of payments. The real challenge is not in adding new solutions but in unlearning old ones. What are the approaches to innovation within the Mastercard Labs and how this global giant keeps evolving? How to encourage your team to come up with new ideas and develop them during the design sprints? What are the measures of true success of innovation labs?