Roberto Vergallo is a software engineer; he graduated cum laude at the University of Salento in 2010. Currently, he is a junior researcher at the University of Salento. His main research topics include the application of IoT, AI, and DLT to enhance and develop new customer experiences in digital payments and digital banking. As a side research topic, he is currently investigating the use of green software principles to develop sustainable architectures. During his Ph.D., he studied for 6 months at the University of California Los Angeles (UCLA), where he developed an IoT-based point of sale for electric vehicles. Based on this experience, he developed WoX, a model-driven cloud platform that speeds up the development of innovative IoT-based scenarios. He is the founder of Vidyasoft Srl, a spin-off of the University of Salento, whose aim is to put on the market the value of his research in the fintech field. With Vidyasoft, he won different contests for startups: the Sellalab Fintech Programme, the Sella Data Challenge, and Banca d’Italia’s Milano Hub. He is an editor for the Journal of Telecommunication, Electronics, and Engineering (JTEC).