On Thu, 2008-08-14 at 19:45 -0700, David Barrett wrote: > >>>> Usability, security, decentralization. Pick any two. > > Show me a single usable, secure decentralized system. Even just > password protected identifiers will do. Just a hotmail level of > security where if I change my password, you can no longer impersonate > me.
While I agree in general that p2p with a small infrastructure core is the way to go, I don't think the three properties you mention are fundamentally mutually exclusive. Mind you by presupposing passwords as a synonym for security, you are fundamentally precluding decentralization. After all, a password is something the one other person (your provider) can verify. A better model is user-generated keys ... such as with PGP. No central server required. Second, by asking to _show_ a system you further conflate the three properties with the need for a working business model. If something is completely truly decentralized and there is no vendor lockin, and therefore no guaranteed revenue model, how many companies would build such a system? That said, just as an existence proof, consider the following: Sharing PGP-encrypted files over trackerless BitTorrent. Usable, Secure, Decentralized. -- Saikat
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