How do we shape a digital infrastructure to the benefit of all citizens? What models of data governance do we develop? How can digital champions reasonably contribute to the financing of public goods? What is the meaning of tax justice and fair competition in the digital age? These are some of the questions German Vice Chancellor and Federal Minister of Finance Olaf Scholz will discuss with Francesca Bria, Chief Technology and Digital Innovation Officer for the City of Barcelona, as well as the audience.