The passport was originally designed to track the powerful, not the commoner

Fighting the Forger: The Secrets of your Passport - Martin Lloyd · 48:43 · Video: Gresham College · Watch at the source

In short: Modern passports are masterpieces of technical security, but their origins were far more social. For centuries, the document served a dual purpose: facilitating elite travel while monitoring the movements of those powerful enough to threaten a throne. This historical evolution was driven by a constant struggle against counterfeiters.

In his lecture for Gresham College, Martin Lloyd explores how the evolution of the passport has been a continuous arms race between state security and counterfeiters. While we view the passport today as a highly complex, technically advanced document, its historical precursors were far simpler. In the seventeenth century, passports were often nothing more than handwritten letters on paper, lacking the sophisticated safeguards we rely on today.

The historical function of the passport was rooted in social stratification. During this era, the working classes or 'proletariat' generally moved without documentation, as they were viewed as politically innocuous. In contrast, rulers focused their surveillance on the influential. The primary fear of a monarch was that powerful subjects might travel abroad and return with an army to depose the sovereign. Consequently, the passport served as both a tool for control and a method of facilitation, providing travelers with an introduction to the social circles of their destination.

The authority of the document relied heavily on the status of the issuer rather than the identity of the traveler. A typical passport from roughly 350 years ago focused heavily on a catalogue of the issuer's ranks, offices, and decorations to prove the document's legitimacy. Interestingly, the issuance of such documents was not yet the exclusive right of the state; a local lord, magistrate, or army commander could provide a passport, provided they possessed enough influence for the document to be accepted at its destination.

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