The presentation includes the fundamentals of optimal DLT for Sensors and the comparison with Blockchain when used in Smart Cities applications. The trilemma and scalability issue can be solved as well as no need for Miners, portability to firmware embedded consensus will be detailed as main benefits of IOTA for Smart Cities applications. The critical parameters of encoding, the vulnerability to Quantum computing will be analyzed. Internal structure of nodes and examples of applications to smart cities including Digital Twin solutions for cities, airports, train stations and others.   Lecturer:     Ing., MBA, PMP, Gustavo Giannattasio    Consultor en Telecomunicaciones- IoT & Smart Cities, Miembro del directorio de sociedad IEEE TEMS   For more information, visit the link below.