Over the last few years, we have heard of many scandals of big corporations losing or leaking personal information of their customers. Luckily, due to these scandals, personal data protection is getting more and more attention, and things are getting a little better. Or at least in some regions of the world. For example, thanks to GDPR, companies in the EU must handle personal information properly or face large fines, but for instance, in the USA, there is no such protection.