WFI is the acronym of With For In that defines and opens a new Internet era, centralizing the person in every digital process with a change of mindset, looking at the all Internet infrastructure and its services from a new point of view, over the data. This new WFI vision, day per day, becomes more important for every user activity with no limit of application possibility. WFI is a process, very secure and easy to integrate and to use. It is an industrial world-wide patent with a big value for AI, Blockchain, IoT, Fintech, Healthcare, Industry 4.0, smart cities, e-commerce, payments…. WFI is a systemic useful to improve the smart usability and the security at the same time.