One of the most important roles of eID card is to allow citizens a safe and reliable method of accessing electronic services. When we talk about electronic services it is not reasonable to focus only on eGovernment. One should also take into consideration eHealth, eBanking, eVoting, eShopping and other e-services. EID card is to be understood not only as the secure storage of personal and sensitive data of a citizen - the holder of the eID card, but also as a gateway to other personal information. This implies a set of risks for the protection of citizens' privacy through inadvertent disclosure of personal information. These risks may result in strong demotivation of citizens to use eID cards. What measures and technical solutions should take the card issuer to address these risks, particularly in cases where the possesion of such cards is mandatory for citizens? How a specific application of eID cards in practice could look like in Slovakia?