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NickSzabo4's profile
Nick Szabo 🔑
Nick Szabo 🔑
Nick Szabo  🔑
@NickSzabo4

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Nick Szabo  🔑

@NickSzabo4

Blockchain, cryptocurrency, and smart contracts pioneer. (RT/Fav/Follow does not imply endorsement). Blog: http://unenumerated.blogspot.com 

Joined June 2014

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    1. Nick Szabo  🔑‏ @NickSzabo4 14 Dec 2014
      • Report Tweet

      SSH succeeded because it removed bureaucracy: users not developers know who they trust, with what, and why: https://tools.ietf.org/html/draft-iab-protocol-success-04#appendix-A.3 …

      3 replies 43 retweets 55 likes
    2. Adam Back‏ @adam3us 14 Dec 2014
      • Report Tweet
      Replying to @NickSzabo4

      @NickSzabo4 agree ssh hence proposed bitcoin trust anchor, ssh good analogy: host/user fingerprint - rest is up to you. made same analogy.

      1 reply 1 retweet 2 likes
    3. Adam Back‏ @adam3us 14 Dec 2014
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      Replying to @adam3us

      suppose it should be said, the problem with payment protocol to obtain one-use bitcoin addr is it has to have online keys & is more complex.

      2 replies 0 retweets 0 likes
    4. Adam Back‏ @adam3us 14 Dec 2014
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      Replying to @adam3us

      evidently users dont understand as they & even some wallet/service authors reuse addr's which weakens privacy & fungibility for others too.

      1 reply 0 retweets 1 like
    5. Adam Back‏ @adam3us 14 Dec 2014
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      Replying to @adam3us

      the current payment protocol use x509, typically with the same host key as the SSL site running a million lines of web framework.

      2 replies 1 retweet 0 likes
      Nick Szabo  🔑‏ @NickSzabo4 14 Dec 2014
      • Report Tweet
      Replying to @adam3us

      @adam3us A truly awful choice.

      12:17 PM - 14 Dec 2014
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Adam Back‏ @adam3us 14 Dec 2014
          • Report Tweet
          Replying to @NickSzabo4

          @NickSzabo4 indeed! my assertion is trust anchor needs to be sender verifiable & exercisable without online interaction with recipient code.

          1 reply 1 retweet 1 like
        3. Nick Szabo  🔑‏ @NickSzabo4 14 Dec 2014
          • Report Tweet
          Replying to @adam3us

          @adam3us Even better: let users handle Bitcoin addresses however they want to handle Bitcoin addresses. They know, the rest of us don't.

          1 reply 4 retweets 4 likes
        4. Adam Back‏ @adam3us 14 Dec 2014
          • Report Tweet
          Replying to @NickSzabo4

          @NickSzabo4 well. i think its clear users & developers have spoken: they want a reusable bitcoin address. problem is that breaks fungibility

          1 reply 0 retweets 0 likes
        5. Adam Back‏ @adam3us 14 Dec 2014
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          Replying to @adam3us

          so I think solution is find a safely reusable addr as trust anchor & then get out of user & developers way, let them do what they find best.

          1 reply 1 retweet 0 likes
        6. Adam Back‏ @adam3us 14 Dec 2014
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          Replying to @adam3us

          about server for x509 signed one-use addr; challenging for users to run and x509 is complex & vulnerable to hacker & insider impersonation.

          1 reply 0 retweets 1 like
        7. Adam Back‏ @adam3us 14 Dec 2014
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          Replying to @adam3us

          dont want diginotar (hacked CA) nor insiders (rogue state owned/coerced CAs) to be a TTP inside trust-anchor interpretation. thats crazy.

          1 reply 0 retweets 1 like
        8. Adam Back‏ @adam3us 14 Dec 2014
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          Replying to @adam3us

          once a key is accepted it can be (somewhat) safely reused via BIP 32 HD wallets. trust-anchor is a privacy preserving introducer problem.

          4 replies 1 retweet 1 like
        9. Adam Back‏ @adam3us 14 Dec 2014
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          Replying to @adam3us

          secure trust-anchor easy for full nodes: stealth address (encrypt to recipient) & have them trial-decrypt all tx. hard part is SPV compat.

          1 reply 0 retweets 1 like
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