Eventia Security is a technological solution, based on Blockchain, Biometrics, Mobile Financial Solutions, IoT and other technologies, for the control, management and security of all kind of events. It´s modular services eliminate the current problems of the event world, adapting to the requierements and security levels of every event. These problems are: scalping, fake tickets, robbery and theft of cash money in events, lack of data of attendants for marketing activities, corruption, control of the event capacity and evidence (for insurance, responsibilities, etc. difficult control of security and identification, lack of communication with assistants, etc.