We hit a voting milestone recently, and when I logged in I received a "Loot crate has been spawned!" message! Somewhere in mining, there was a loot crate within 128 blocks of the mining spawn*. one /warp mining later and a bit of searching revealed a little chest floating above a lake of lava. Inside was loot! Huzzah! *"wtf is mining spawn?! wtf is a loot crate?!" you might ask? Well, if you read this post, you will be updated that the mining world now has a fixed spawn point, and that little chests of treasure will appear every 150 votes.
Would it be possible to put in things that aren't easily obtainable? Custom heads (perhaps from https://minecraft-heads.com/custom/heads/food-drinks) would be interesting. So would the standard pointless admin items or named/enchanted blocks. It's just that I personally (and many others I'd imagine) wouldn't go out looking for that chest
"I, a player who has been offline for a month, prefer that loot chest have pointless items. I represent many."
I kinda agree on the random pointless head items. Gives more worth to the lootcrate than just almost being a random dungeon chest. + Yay free decorations