GNU Taler must be <a href="https://www.gnu.org/philosophy/free-sw.html">Free/Libre Software</a>. For merchants, Free/Libre Software prevents vendor lock-in meaning merchants can easily choose another service provider to process their payments. For countries, Free/Libre software means GNU Taler can not compromise sovereignty by imposing restrictions or requirements. And for exchange operators, transparency is crucial to satisfy <a href="https://en.wikipedia.org/wiki/Kerckhoffs's_principle">Kerckhoffs's principle</a> and to establish public confidence.
GNU Taler must be <a href="https://www.gnu.org/philosophy/free-sw.html">Free/Libre Software</a>. For merchants, Free/Libre Software prevents vendor lock-in meaning merchants can easily choose another service provider to process their payments. For countries, Free/Libre software means GNU Taler can not compromise sovereignty by imposing restrictions or requirements. And for exchange operators, transparency is crucial to satisfy <a href="https://en.wikipedia.org/wiki/Kerckhoffs's_principle">Kerckhoffs's principle</a> and to establish public confidence.