With Move-To-Earn platforms growing in popularity, world-renowned athlete Usain Bolt has joined the Step App team, just in time to inform the public about the potential of the app before its official launch this summer - Chiliz News has the details at https://chiliznews.com/step-app-launches-private-beta-of-gamified-fitness-metaverse-fitfi-platform-signs-usain-bolt-as-brand-ambassador