Originally Posted by
Travelsonic
Even with an electronic signature, that won't stop people from trying to find workarounds, or ways to mess around with/otherwise exploit - that's what makes fields of work/study dedicated to such things incredibly fun to consider going into.
And note that even those programmers who don't focus on such matters still need to pay attention to them--if you don't understand how people might break your stuff you can't hope to make it so they can't break it.