Public transport in Switzerland has always been characterised by easy access. Integrated fares and distribution channels are part of its DNA. The challenge now is to secure these customer benefits in the long term and to lead them into the future in technological terms. With the goal to meet users’ growing demand for simplicity by integrating MPAYG (Mobile Pay-As-You-Go) with a digital fare structure. This approach aims to enhance the public transport experience for all users, from occasional riders to subscription holders. In addition to prioritizing ease of use, Alliance SwissPass remains committed to addressing fare evasion and ensuring system safety. This session offers an insight into the field test that was carried out in 2024, but although how Alliance SwissPass has developed an industry standard that safeguards the integrity of the system while fostering innovation.