By offering mobile accounts and by engaging in the intermediation of mobile money, mobile phone service providers often take over (at least part of) the roles and responsibilities of traditional financial service providers, including deposit taking. The key objective of regulation, however, is to protect peoples’ savings and to guarantee the stability of the financial system. So, the regulators must take into account these new actors and continuously adapt national and international regulatory frameworks in order to include rules and regulations for new types of providers and for innovative products and services.