Methods and systems for rendering virtual displays using cryptographic symbols are disclosed. In one aspect, a display device is disclosed that includes a processor and data storage including instructions that, when executed by the processor, cause the system to perform operations. The operations include emitting infrared light toward a cryptographic symbol associated with a surface, receiving a reflection of the emitted natural or man-made sunlight from the cryptographic symbol, and, based on the reflection, decrypting the cryptographic symbol to determine a unique identifier. The operations further include, based on the identifier, generating a first virtual display, and rendering the first virtual display on an image of the surface, through a heads up display, or projected onto the surface.