[Bitcoin-ml] Time to get agreement on new DAA for Bitcoin Cash

[Blockfreight™ | Julian Smith]

Where is the list of options summarised / tabulated and compares in
one-view?

How can agreement be reached by In 2 weeks without one?

Julian Smith

On Sun, 29 Oct 2017 at 5:38 pm, Erik Beijnoff via bitcoin-ml <
bitcoin-ml at lists.linuxfoundation.org> wrote:

> With the Bitcoin ABC hard fork pull request announced publicly as
> happening on the 13th of November, it is now starting to become urgent to
> agree on the best proposal for updated difficulty adjustment algorithm
> (DAA) for Bitcoin Cash. I’m assuming that the way the pull request was
> announced on Reddit was something of an unintended side effect but now that
> there is a date in place it might as well be used as some sort of a
> milestone, public or not.
>
> Huge thanks to Tom Zander, Amaury Séchet, Neil Booth and Tom Harding for
> providing both suggestions for DAA improvements, and also excellent
> simulators to test the different proposals. Also big thanks to Antony
> Zegers for writing detailed explanations of most of the proposals.
>
> In Booth’s simulator (https://github.com/kyuupichan/difficulty/) there
> are three proposals that seems to be the current main contenders, k-1,
> cw-144 and wt-144.
>
> Both from looking at simulations and from discussing with representatives
> from the major clients for Bitcoin Cash, it appears that the two most
> stable and universally supported proposals are k-1 and wt-144.
>
> As a quick summary, from my understanding k-1 adapts slower under specific
> extreme conditions, whereas wt-144 responds faster to shifting hash rates
> with the price being noisier difficulty.
>
> It also appears that there is fairly good support for actually making the
> implement and deploy a changed DAA at the ABC proposed hard fork date, 13th
> of November.
>
> I therefore again urge Bitcoin Cash developers to agree on which proposal
> they find most suitable, and also on wether a (very) quick deployment is
> desirable or not. I will follow up this mail with reaching out everyone
> I’ve been in contact with again to try to find a common ground for moving
> forward.
>
>
> https://www.yours.org/content/dgenr8-s-difficulty-adjustment-algorithm-explained-01a2de286460/
>
> https://www.yours.org/content/kyuupichan-s-difficulty-algorithm-explained-502d077d0235
> http://www.pvv.ntnu.no/~dagurval/daa/
>
> /Erik
>
>
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-- 
Julian Smith, CEO
Blockfreight, Inc. [BFT:XCP]
535 Mission St 14th floor
San Francisco CA 94105
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