The digitalisation of participatory budgeting (PB) is an increasing phenomenon in that digital tools could help achieve greater citizen engagement. However, comparing two similar cases - i.e. Rome and Barcelona - some differences appear during the integration of digital tools into the PB...

A system's security must be understood with respect to the capabilities and be- haviors of an adversary Eve. It is often assumed in security analysis that Eve acts as ma- liciously as possible. From an economic perspective, Eve tries to maximize her utility in a game with other participants. The...