From Guild Wars 2 Wiki
Data Crystals are trophies which may be traded with Senior Researcher Shoon in exchange for renown heart progress.“
A data crystal that belongs to the Inquest. A Senior Researcher at the Old Golem Foundry might be interested in this.
— In-game description
- Help Shoon's salvage krewe deal with Inquest interference (6) — 1% per Crystal handed in to Shoon