Playfairiin
Playfairiin is a fictional crystalline material that appears in science fiction works and tabletop role-playing game settings. It is typically depicted as a colorless to pale iridescent mineral with exceptional energy density and tunable optical properties, capable of storing and modulating information at the quantum level. In many depictions, a small quantity of Playfairiin can power complex devices or enable rapid reconfiguration of circuits, thanks to its lattice structure and interactions with magnetic and photonic fields.
The name Playfairiin is used by authors as a tribute to cryptography; some stories link it to
Playfairiin is described as rare, occurring in fictional asteroid belts or deep underground deposits. Production methods
In-universe applications include memory cores, energy storage units, shielding, and encryption modules. Some depictions enable quantum-holographic
The concept has been used to explore themes of resource scarcity, technological dependence, and the ethics