Hyperchain presentation

Hyperchains
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Here are the slides of the hyperchain presentation from Tuesday’s workshops.

https://www.slideshare.net/GrzegorzUriasz/hyperchains
The presentation summarizes what hyperchains are about and what problems they are addressing.

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The updated version is here F20596A4-DC5D-47A6-A54E-12EE6A206D9C.pdf (701.3 KB)

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My comments:

Technical:

  • PoW cons slide – would be nice to show some stats about centralization
  • the order of PoS problems should be imo: grinding, nothing and long range as this is the order of their obviousness
  • it would be nice to point out that stake grinding degrades PoS into PoW
  • point out that in PoS there is no cost of mining two forks in contrast to the PoW
  • “hyperchains avoiding problems of pos” – controlling 50% of the stake isn’t malicious at all

Nontechnical:

  • aeternity logo not vectorized
  • “what is consensus algorithm” slide – there should be a space before opening brackets
  • same slide as above – imo, “which chain should we trust”
  • same slide – 5 point could be a question as well
  • PoW slide – 5 point, “an attacker”
  • use dash “—” instead of minus “-” (good practice in general)
  • PoS problems to solve slide – 4 point, “an unpredictable”
  • “the current state of AE” – “gets”, not “get’s”
  • “Hyperchains basic idea” – 4 point, “to be considered for THE election” (missing “a” and “the” are kind of general issue here)
  • same slide – “are fed”
  • “hyperchains use cases” – consistent big letters, better footnotes
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The presentation looks good. Fortunately it doesn’t need to be corrected with regard to the new findings about Hyperchain security.

I agree with Radek’s nontechnical comments, his technical comments are imo not highly important - If you fix them it would be nice but it’s not necessary.