Voting via the Internet is part of electronic government and electronic democracy. However, there are many obstacles which have to be overcome, especially legal restrictions have to be transformed into technical and security solutions. In the first part the article discusses advantages and disadvantages of Internet elections, shows different application fields, and presents important international pilot schemes (political and business ones). In the second part, due to democratic basic principles, technological security aspects are worked out. KEYWORDS Internet Voting, Online polls, E-Democracy, Security