O nline Reput at ion Syst ems Roger D ingledine T he Free Haven - - PowerPoint PPT Presentation

O nline Reput at ion Syst ems Roger D ingledine T he Free Haven Project

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B ased on linkability

• Reput at ion can help solve market for lemons

Useful even in pseudonymous/ dynamic environment s

• B ut somet imes dangerous if people can make many

separat e ident it ies

W hen should you use it ?

• W hat ’s at st ake?
• D oes a rep in one cont ext work for a new cont ext ?
• Can we t ie people t o t heir online ident it ies?

D o we need t o?

• Can we verify behavior and measure reput at ion?
• Can we predict behavior based on reput at ion?

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