LWC - Minex locking system automatically locks chests, shulkerboxes and furnaces when you place them to prevent others from stealing your things. You can modify the lock with specific commands. It is also possible to lock doors, hoppers, trapdoors etc.
/lock - Lock an object (usually automatic). /unlock - Remove a lock. /cpublic - Make something public but protected from being destroyed. /cpassword - Make something password-protected. /cunlock - Remove password-protection. /cdonation - Makes the chest deposit-only for others. /cmodify - Give a player permission to open an object. /cinfo - Information about a locked object.