Identification and data storage device widely used during the Information Age.

The successor to the late twentieth-century "smartcard," the device used built-in microchips to store personal data and biometric data for identity verification. Most versions had user-accessible storage (up to 1 Gigabyte), integral fingerprint, voice, and/or retinal authorization, and automatic theft detection and deactivation when separated from owner beyond a predefined interval. During the early interplanetary age identicards were phased out and biosignatures were used instead, although they continued to be used in some backward Earth-side polities (or "nations") until as late as the middle 22nd century c.e.. Today they may still be found among a few primitive backwaters and isolated clades in the Sol System, mostly as ceremonial-aesthetic accessories, and among historical recreationists.
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Development Notes
Text by M. Alan Kazlev; based on original by Kevin Self
Initially published on 10 November 2001.