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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. Peter Todd‏ @peterktodd 15 Aug 2018
      • Report Tweet

      I wonder if we'll see phone companies start blocking 2fs sms messages? They could be seen as a liability — rightfully so.https://www.cnbc.com/amp/2018/08/15/cryptocurrency-investor-sues-att-for-224-million-over-loss-of-digita.html …

      31 replies 51 retweets 200 likes
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    2. Peter Todd‏ @peterktodd 15 Aug 2018
      • Report Tweet

      Though for the record, I would like to see AT&T lose this case, badly. If you design a system based on personal info you damn well should shoulder the liability when you screw it up.

      16 replies 15 retweets 152 likes
      Show this thread
      Nick Szabo  🔑‏ @NickSzabo4 15 Aug 2018
      • Report Tweet
      Replying to @peterktodd

      Baloney. Their system collects personal info for the purposes of phone billing, not for the purpose of trying to secure a relationship of two strangers trying to pretend they know each other because of said phone number.

      5:56 PM - 15 Aug 2018
      • 2 Retweets
      • 56 Likes
      • Jeff Vandrew Jr Jonathan Libov Mike Komaransky Udi Wertheimer I don't even know these people noryn seth Matt Lockyer FORTIOR EX VULNERIBVS
      7 replies 2 retweets 56 likes
        1. New conversation
        2. Peter Todd‏ @peterktodd 15 Aug 2018
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          Replying to @NickSzabo4

          If that were true you'd port numbers with a password.

          1 reply 0 retweets 1 like
        3. 1 more reply
        1. New conversation
        2. Tuur Demeester‏ @TuurDemeester 15 Aug 2018
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          Replying to @NickSzabo4 @peterktodd

          Agreed. The metaphor in the article seems lacking: all lobbies have signs that say "not responsible for any stolen or lost items". If I leave $25M in jewelry in my room and they get stolen, it seems like a stretch that a judge would hold the hotel liable for the full amount.

          3 replies 1 retweet 14 likes
        3. Tuur Demeester‏ @TuurDemeester 15 Aug 2018
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          Replying to @TuurDemeester @NickSzabo4 @peterktodd

          It seems like a lot boils down to defining "reasonable care": https://www.legalmatch.com/law-library/article/hotel-liability-for-guests-belongings.html …pic.twitter.com/e6QLtUId1h

          8 replies 3 retweets 8 likes
        4. Peter Todd‏ @peterktodd 15 Aug 2018
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          Replying to @TuurDemeester @NickSzabo4

          See, I think *if* you fail to uphold reasonable care in a blatant way - and I think phone companies have failed this way - then I have no issue with extremely high levels of liability. Failing to verify identity at all in an identity system is blatantly unreasonable.

          3 replies 1 retweet 11 likes
        5. Peter Todd‏ @peterktodd 15 Aug 2018
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          Replying to @peterktodd @TuurDemeester @NickSzabo4

          OTOH if the hacker had, for instance, used a fake ID I'd be much more forgiving. But being susceptible to the most basic social engineering in a system with no alternative to identity verification for the customer is ridiculous.

          2 replies 1 retweet 9 likes
        6. Udi Wertheimer‏ @udiWertheimer 15 Aug 2018
          • Report Tweet
          Replying to @peterktodd @TuurDemeester @NickSzabo4

          “My 84 y/o grandma had her purse stolen. phone gone, and we just wanted the number back so that her Bridge mates could call her. I called AT&T, gave them her SSIN, payment details... but they insisted on an ID - which was stolen too - because some crypto bro lost $25mil once”

          1 reply 0 retweets 11 likes
        7. Hershy‏ @HershyatH2B 15 Aug 2018
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          Replying to @udiWertheimer @peterktodd and

          "Let's help her get remote access to her voicemail, so she can leave a message with her new phone number."

          2 replies 0 retweets 0 likes
        8. Peter Todd‏ @peterktodd 15 Aug 2018
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          Replying to @HershyatH2B @udiWertheimer and

          EXACTLY. There's very easy ways to help the customer while providing some amount of verification. I'd expect AT&T to do just that. Or if not, at least make *some* effort at discouraging 2FA.

          1 reply 0 retweets 0 likes
        9. 2 more replies
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        2. achettup‏ @TestingRhymes 15 Aug 2018
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          Replying to @NickSzabo4 @peterktodd

          But they use that information for identity verification. Virtually every company uses this excuse to collect PII when they can neither guarantee protecting it nor actually verify against fraudsters. That is a faulty system screaming for more secure technology like zkp.

          1 reply 0 retweets 5 likes
        3. Nick Szabo  🔑‏ @NickSzabo4 15 Aug 2018
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          Replying to @TestingRhymes @peterktodd

          "Identity" is very different for very different kinds of relationships. Phone company "identity" for their own billing purposes falls far short of being a secure way to maintain a relationship where one person is trusting another with $100,000s worth of bearer assets.

          0 replies 8 retweets 27 likes
        4. End of conversation
        1. New conversation
        2. Samson Mow‏Verified account @Excellion 15 Aug 2018
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          Replying to @NickSzabo4 @peterktodd

          I think the issue is their system allows numbers to be ported too easily. Not that they collect info.

          4 replies 0 retweets 14 likes
        3. Peter Todd‏ @peterktodd 15 Aug 2018
          • Report Tweet
          Replying to @Excellion @NickSzabo4

          No. What I'm saying is they've chosen to use a system based on identity, which places the burden on them to verify that. If it were a password, the burden would obviously be on the user. Remember this is a *well* known issue with *lots* of real examples of harm (not just $).

          0 replies 0 retweets 1 like
        4. End of conversation
        1. New conversation
        2. ⇀‏ @jordanfrankfurt 15 Aug 2018
          • Report Tweet
          Replying to @NickSzabo4 @peterktodd

          Usage patterns may have changed underneath them and given them a responsibility they didn't *ask* for, but I think it is legitimate, nonetheless.

          1 reply 0 retweets 0 likes
        3. Nick Szabo  🔑‏ @NickSzabo4 15 Aug 2018
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          Replying to @jordanfrankfurt @peterktodd

          No. Companies should not be responsible for the abuse of their products.

          1 reply 0 retweets 0 likes
        4. ⇀‏ @jordanfrankfurt 15 Aug 2018
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          Replying to @NickSzabo4 @peterktodd

          *Of course* not in all cases. This is an incredibly common abuse though and these particular companies could take fairly straightforward steps to fix it.

          1 reply 0 retweets 0 likes
        5. ⇀‏ @jordanfrankfurt 15 Aug 2018
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          Replying to @jordanfrankfurt @NickSzabo4 @peterktodd

          In principle I agree with you. In this situation they know what is going on and have essentially given tacit consent.

          0 replies 0 retweets 0 likes
        6. End of conversation
        1. Peter Whelan‏ @PeterAWhelan 15 Aug 2018
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          Replying to @NickSzabo4 @peterktodd

          The fault lies in using text messages as an authentication factor. ATT didn’t sign up for that. Use an authentication app or some other stronger option. Users should not be offered a weak option as a “security show”. That’s like requiring cryptic passwords limited to 8 char

          0 replies 0 retweets 3 likes
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        1. Nmeofthestate‏ @Nmeofthestate1 15 Aug 2018
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          Replying to @NickSzabo4 @peterktodd

          I can't believe this guy didn't know the risks of storage such gigantic amounts in such a sloppy, dangerous, way.

          0 replies 0 retweets 0 likes
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