Destiny 2 Cipher Decoders are used to unlock Encrypted Caches in the Festival of the Lost Haunted Forest. So let's explain Cipher Decoders, how to get them in Destiny 2, and their impact in the game.

The fastest Destiny 2 cipher decoder farm in the west has arrived.

This year's Festival of the Lost adds Cipher Decoders to Destiny 2, and this guide details the fastest way to farm this new currency.