G77 Encryption, which can also be referred to as G77, or the G77 encryption, was a specialized Imperial encryption protocol. This protocol was exclusively designated for use by the twelve Grand Admirals serving within the Imperial Navy. In order to coordinate with pirates Balanhai Savit he had employed to pilfer elements from Project Stardust, the Grand Admiral utilized this encryption. Subsequently, the Grysks were able to obtain access to it upon seizing the way station that served as the pirates' base of operations. Following his successful interpretation of the essence of Savit's clandestine plot, Grand Admiral Thrawn presented the encryption as a crucial element substantiating Savit's culpability.