Like a locked chest that only you can access? You can't. You can, however, make an Ender Chest, which is basically a global chest that you can access from any Ender Chest. Only you can access your own Ender Chest inventory.
Check the Minecraft Wiki. It has information there.
Helmet, chest plate, leggings, and boots.
You download pocketinveditor
Like a chest, but replace the wood with cobblestone.
You can't, unless your using mods.
You can't make a chest in minecraft pe. Correction; you can. You need 8 wood planks (transform wood from trees to wood planks) and a crafting table. I have the game
To make a private server, you will need to go to your server.properties file and change it to whitelist true.
They can get into your ender chest, but they will not be able to see your items. Contents of Ender chests are private for all players.
you need eight wooden planks and one crafting table
Spell? To open/lock a door in minecraft, it requires you to make a system of redstones that is connected to the door and a button, lever, or a pressure plate or if you want to lock it you make a sign that says [PRIVATE] when you click okay it will lock the door or doors if there are two doors next to another. Same with chests. If you are worried about people who grief on mutiplayer mode, then you can do the same as a door. You can lock it by placing a chest or chests ( two together ) by putting a sign above the chest saying [PRIVATE] hope this helped.[:
saving
You put an alchemy chest in the middle, obsidian on the corners, and the rest with diamonds