I have a 1.8 world for people to play in 'Survival' mode.
In this world is a chest, which is locked by a key (new 1.8 feature).
In theory, players should work hard elsewhere to obtain the key object, then they can open the chest and pillage the lovely, lovely loot.
In practice, they whack the chest with their pickaxe until it breaks, and pick up the loot from the kindling.
Is there a way to set 'unbreakable' on the Chest so that players canot do this? Alternatively, making broken chests NOT dump their contents would be acceptable. I don't want to install any mods to do this, though changing world settings, or even doing something complex with a command block is acceptable.
Possibly when 1.8 goes production it will only allow breaking of unlocked chests or will not dump contents of locked chests; however this is just speculation.