Hacker Dreams Up Crypto Passport Using the Tech Behind Bitcoin


If bitcoin’s true believers ever found their tax-free libertarian utopia, Christopher Ellis could be in charge of the passport office.
Ellis has built an open-source software that lets anyone create what he calls a “World Citizenship” passport. Using PGP encryption software and the bitcoin blockchain—a cryptographically secured public ledger that runs on machines across the internet—the project creates a mathematically iron-clad identification paper that would be extremely difficult, perhaps impossible, to fake.
In the spirit of bitcoin, people, not nation-states, would issue Ellis’s passport. “I wanted to create a voluntary ID system in which my proof of existence could be backed by a social network of my choosing,” he says. The question is whether organizations would accept this type of DIY passport. 

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