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The problem with Authority BUREAUCRACY, CORPORATE INFLUENCE & TRUST Thursday, September 26, 13

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massive amounts of software & data We create Thursday, September 26, 13

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& widely distributed We want it to be highly available Thursday, September 26, 13

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the authenticity & origin of things We want to validate Thursday, September 26, 13

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Today we have A BUREAUCRACY & A TECHNICAL QUANDARY Thursday, September 26, 13

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We can’t solve problems with the same level of thinking that created them. “ A Nice Quote from some smart person Thursday, September 26, 13

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Reputation Systems PKI, SPKI, SDSI... Thursday, September 26, 13

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Try to define identity Thursday, September 26, 13

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Try to replicate identity Thursday, September 26, 13

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␡ Try to revoke identity Thursday, September 26, 13

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✓ Try to define policies Thursday, September 26, 13

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Sybil attacks Revocation lists Replication Latency Financial Concerns Problems in reputation systems ␡ Thursday, September 26, 13

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How should we define Identity? WITHOUT CENTRALIZED AUTHORITY Thursday, September 26, 13

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Social networks define identity as behaviors & interactions over time Thursday, September 26, 13

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public & private key cryptography Simple tools for Thursday, September 26, 13

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data & software to actual authors Let’s start mapping Thursday, September 26, 13

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github.com/hij1nx/pkp Thursday, September 26, 13

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hash (data) public key URLs cert = sign(private key, meta) meta { Thursday, September 26, 13

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hash(data) = cert.hash + verify(public key, cert) Thursday, September 26, 13

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Twitter Thursday, September 26, 13

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/ hij1nx ! " fin Thursday, September 26, 13