Signatures take up space and many members have been discourage from visting some boards like (Bitcoin/Altcoin discussion) so they won't have to see all those spammy signature ads.
I see many thread on using scripts (Adblock) to disable signatures although some scripts have some special features like blocking only signatures related to icos etc.
But if you don't like signatures ads in general and you want to block them all, the forum has a solution.This information isn't a new one [although most new users don't know about it), it has been on the forum for quite some time now but due to the fact most users don't take time to browser through their profile sittings must have cause them to miss it.
Step [1]: Click on profile (we all know where we can find this).
Step [2]: Click on the "Look and Layout Preferences" setting as seen in the image below. (This section allows you to customize the look and layout of the forum)
Step [3]: Tick the "Don't show users' signatures" box as seen in the image above.
Step [4]: Finally, click change profile (buttom right of your screen) to save your current profile settings.
Preview: This is how your screen will look like after following the steps above.