Sack of Nuts
Sack of Nuts are currencies obtained from participating in The Hunt and killing Elite Marks. They were released after Shadowbringers (5.0) and are also used as The Hunt currency of Endwalker (6.0).
Sack of Nuts can be exchanged to Xylle in The Crystarium (x9.4, y9.5) or Ilfroy in Eulmore (11.0, 10.8) for for Shadowbringers-era rewards.
Notably, in ShB, Sack of Nuts can be traded for weapons, armor, and accessories formerly obtained with Allagan Tomestones of Goetia and Tomestones of Phantasmagoria.
Meanwhile for Endwalker, J'lakshai in Old Sharlayan (12.0, 13.3) and Wilmetta in Radz-at-Han (10.5, 7.5) are the exchanges.
Notably, in EW, Sack of Nuts can be traded for weapons, armor, and accessories formerly obtained with Allagan Tomestones of Aphorism.