NOTE: This plugin requires you haveVaultenabled on your server
This is a very simple way to handle griefers. It allows Player's to buy specific Chunks in the World so only they (and admins) can build there.
Admins can limit how many Chunks each player can own, and Players can add Co-owners to allow them building rights.
Features:
Supports all major Economies and Permission Plugins thanks to Vault
You can change what command this plugin uses by editing the plugin.yml (found inside the plugin jar file)