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@urbit

Urbit is a clean-slate OS and network for the 21st century

~zod
urbit.org
Joined September 2013

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    1. · Matt Condon‏ @mattgcondon 16 Jan 2019
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      Replying to @MuteDialog @urbit

      They built a decentralization-native computer.

      1 reply 0 retweets 4 likes
    2. MuteDialog‏ @MuteDialog 16 Jan 2019
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      Replying to @mattgcondon @urbit

      There is a name/address system (Azimuth) . A P2P network (is this a DHT or something else?) Then pure functional “actors” that take in an (event log or addressed message I’m not sure) and output (event log or addressed message I’m not sure). These actors are hosted locally.

      1 reply 0 retweets 3 likes
    3. MuteDialog‏ @MuteDialog 16 Jan 2019
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      Replying to @MuteDialog @mattgcondon @urbit

      So kind of like If you wrote a bot that reads SSCB feeds and outputs new feeds but written from scratch in a entirely new functional language?

      1 reply 0 retweets 1 like
    4. · Matt Condon‏ @mattgcondon 16 Jan 2019
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      Replying to @MuteDialog @urbit

      it's a bit more complex than "hyped up RSS feed" but 'yes', in the sense that you've described a distributed network. Curtis and the team at urbit re-invented how computers should work, which has profound effects on how the code on them runs (i.e. better in many ways)

      1 reply 0 retweets 4 likes
    5. MuteDialog‏ @MuteDialog 16 Jan 2019
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      Replying to @mattgcondon @urbit

      So these urbit computers which process the logs where do they run?

      1 reply 0 retweets 2 likes
    6. · Matt Condon‏ @mattgcondon 16 Jan 2019
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      Replying to @MuteDialog @urbit

      On a normal, traditional computer: your laptop, a RaspberryPi, a VPS on AWS, or maybe your phone (but probably not your phone any time soon).

      1 reply 0 retweets 3 likes
    7. MuteDialog‏ @MuteDialog 16 Jan 2019
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      Replying to @mattgcondon @urbit

      But the trust model is you need to trust your hosting environment there isn’t some crazy immutable input + pure function thing that means you can trustlessly delegate hosting?

      1 reply 0 retweets 1 like
    8. · Matt Condon‏ @mattgcondon 16 Jan 2019
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      Replying to @MuteDialog @urbit

      they haven't solved secure multiparty computation, unfortunately; users run their own server, trusting the environment it runs in (mine is on my laptop, but yours could be on AWS if you want uptime guarantees)

      1 reply 0 retweets 3 likes
    9. MuteDialog‏ @MuteDialog 16 Jan 2019
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      Replying to @mattgcondon @urbit

      Ok thanks, think it is a bit clearer for me after this discussion. Thanks for your help.

      0 replies 0 retweets 2 likes
      urbit‏Verified account @urbit 16 Jan 2019
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      Replying to @evan_van_ness @MuteDialog @mattgcondon

      Urbit doesn't have a way to prevent, say, AWS from running Nock incorrectly, but the determinism does make it auditable: I could download my event log, replay it locally, and verify that it results in the exact same current state as what AWS got.

      4:51 PM - 16 Jan 2019
      • 1 Retweet
      • 9 Likes
      • inertia :: 慣性 :: かんせい 🍜 Rob Myers ~rovdyl-widnys Marcus Dorsen Ivan Brightly Tagga · Matt Condon PJM ∞
      1 reply 1 retweet 9 likes
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        2. urbit‏Verified account @urbit 16 Jan 2019
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          Replying to @urbit @evan_van_ness and

          I could do this with Urbit today.

          1 reply 1 retweet 5 likes
        3. urbit‏Verified account @urbit 16 Jan 2019
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          Replying to @urbit @evan_van_ness and

          Having an auditable computer essentially allows you to decrease the size of the trusted computing base, since you can compare results of interpreters written in different ways.

          1 reply 2 retweets 9 likes
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