Fragments are one of four currencies in Identity V 
.
Overview
Fragments is a currency used to purchase costumes and accessories.
Obtaining
When you receive a duplicate of an item, you will receive a number of fragments instead.
Dismantling Unlock cards will provide fragments based on its value.
Fragments can also be obtained in the first three battles of the day and weekly login.
Fragments can be obtained through special holiday events such as Christmas or Lunar New Year.
The Guild Shop has fragments available for purchase.