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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. anonymous_iot‏ @anonymous_iot9 Jul 1
      Replying to @mHaGqnOACyFm0h5 @bascule @SarahJamieLewis

      There is simply no way to enforce a tipsel algo. Let me know if you know of any. In any DLT, if an attacker controls the majority of the hashpower, it gets dangerous. No magic here. The coo will be active until global hashrate is large enough to be hard to attack.

      1 reply 0 retweets 1 like
    2. nothingmuch‏ @mHaGqnOACyFm0h5 Jul 1
      Replying to @anonymous_iot9 @bascule @SarahJamieLewis

      well, technically the tip selection algorithm could be verified using zero knowledge proofs, but i digress, the point (like I said in that thread, which I'm now going to mute because i've had enough)

      2 replies 0 retweets 1 like
    3. nothingmuch‏ @mHaGqnOACyFm0h5 Jul 1
      Replying to @mHaGqnOACyFm0h5 @anonymous_iot9 and

      is that the necessity of tip selection at all is an invalid premise, parition tolerance (for write availabilty) is not a sensible feature of a writable ledger, and the only scenarios in which it does make sense do not require distributed or byzantine consensus.

      1 reply 0 retweets 3 likes
    4. anonymous_iot‏ @anonymous_iot9 Jul 1
      Replying to @mHaGqnOACyFm0h5 @bascule @SarahJamieLewis

      In a DAG, tips have to be referenced. You would randomly select the tips, did I get that right?

      1 reply 0 retweets 1 like
    5. nothingmuch‏ @mHaGqnOACyFm0h5 Jul 1
      Replying to @anonymous_iot9 @bascule @SarahJamieLewis

      no, a DAG is a non starter for a distributed system, unless the vertices on the graph combine form a join semi lattice without conflicts, not possible for something resembling a currency, cf. double spend problem

      2 replies 0 retweets 2 likes
    6. anonymous_iot‏ @anonymous_iot9 Jul 1
      Replying to @mHaGqnOACyFm0h5 @bascule @SarahJamieLewis

      This is a strange assumption. You would need to explain why DAGs are a non starter, and why you think the vertices need to form a semi lattice. You do know that in IOTA, the consensus is "eventual", right? All or the majority of tips have to reference a non-conflicting tx.

      1 reply 0 retweets 1 like
    7. nothingmuch‏ @mHaGqnOACyFm0h5 Jul 1
      Replying to @anonymous_iot9 @bascule @SarahJamieLewis

      eventual consistency with a DAG implies that the operational algebra of transactions freely commutes, which it cannot - fund allocations are mutable state, truth value of statement "do i have money" is non monotonic

      1 reply 0 retweets 1 like
    8. nothingmuch‏ @mHaGqnOACyFm0h5 Jul 1
      Replying to @mHaGqnOACyFm0h5 @anonymous_iot9 and

      sorry, "I have x money"

      1 reply 0 retweets 1 like
    9. anonymous_iot‏ @anonymous_iot9 Jul 1
      Replying to @mHaGqnOACyFm0h5 @bascule @SarahJamieLewis

      Why and how does the operational algebra of a transaction not freely commute?

      1 reply 0 retweets 1 like
    10. nothingmuch‏ @mHaGqnOACyFm0h5 Jul 1
      Replying to @anonymous_iot9 @bascule @SarahJamieLewis

      i gave you the reason in two forms, you'll have to be more specific if you want a third way of putting it. also if you don't know these concepts, you haven't done your due diligence studying iota. you used "eventual" as if you knew how it was defined.

      1 reply 0 retweets 1 like
      Rich Felker‏ @RichFelker Jul 3
      Replying to @mHaGqnOACyFm0h5 @anonymous_iot9 and

      There is absolutely no reason to spend effort "studying iota" beyond the bare minimum needed to realize it's a scam. OTOH studying social science of cult behavior around iota may be worthwhile.

      3:17 PM - 3 Jul 2018
      1 reply 0 retweets 0 likes
        1. nothingmuch‏ @mHaGqnOACyFm0h5 Jul 3
          Replying to @RichFelker @anonymous_iot9 and

          agreed. the due diligence i was implying is learning about limitations of distributed systems, enough to call bullshit on, not studying it per se. fwiw i did think this thread ended up being a nice overview of that subject =)

          0 replies 0 retweets 0 likes
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