There are a variety of chests you can obtain in Sins of a Dark Age.
Chests That Require Key[]
Hardened Vanguard Chest (Requires Vanguard Chest Key.)
Rugged Vanguard Chest (Requires Vanguard Chest Key.)
Sturdy Vanguard Chest (Requires Vanguard Chest Key.)
Chests Granted with Early Access Bundle[]
Early Access Chest (Requires Early Access Chest Key.)
Chests That Do Not Require Key[]
Chests Granted with Fellowship Bundle Program[]
Twitch Chests[]
Hero Gear[]
Traveling Chest is not actually a chest, but is actually a piece of Hero Gear.