hi ,<br> im trying to move my 2 and 1/2 tier application to a 3 tier mts application.i have a problem though i am able to create dll's and have an application that uses mts.the users im distributing my dll to, are able to create new applications using my dll.this is not secure.how do i add security so that others are not able to use my dll and write applications?i would feel helpfull if some one would come with any idea or technique that makes my dll secure.<br> thankx in advance.