Don't advertise that you used Dotfuscator. The Pro edition strips out the identifying metadata that tells attackers which obfuscator you used.
Dotfuscator Professional Edition costs a fraction of a single lawsuit or a stolen algorithm. If you are shipping .NET, you need it. Dotfuscator Professional Edition
Stop Shipping the Blueprint to Your App: Why Dotfuscator Pro is Non-Negotiable for .NET Security Don't advertise that you used Dotfuscator