by Nezark123 » Sat Jul 13, 2013 2:54 pm
The more you build on an area, the more it is claimed for you. So all you have to do is continually build in that area, only /allow friends, and you'll have nothing to worry about!
Regardless, if griefing does happen, ask a full mod for help in rolling back your land to before the grief, and all will be taken care of.