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From: Dave Scotese <dscotese@litmocracy.com>
To: Vincent Truong <vincent.truong@procabiak.com>
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Subject: Re: [bitcoin-dev] Bitcoin Days Destroyed as block selection
heuristic
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>
> From the Bitcoin wiki page on transaction fees
> <https://en.bitcoin.it/wiki/Transaction_fees#Technical_info>:
>
> Transaction priority is calculated as a value-weighted sum of input age,
> divided by transaction size in bytes: priority =
> sum(input_value_in_base_units * input_age)/size_in_bytes
>
If I read that correctly, that is directly proportional to BTCDD, so
whatever effect concerns you has already been built into the code.
On Fri, Sep 11, 2015 at 3:21 PM, Vincent Truong <
vincent.truong@procabiak.com> wrote:
> Would this alter the way txns will be prioritised in order to try to win?
> You would always pick txns with the best BTCDD to maximize your chances of
> being the block to build on.
>
> I see this as potentially being a bad outcome for bitcoin's fungibility.
>
--f46d043893f9b7cda7051f915e1a
Content-Type: text/html; charset=UTF-8
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<div dir=3D"ltr"><blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:=
1px solid rgb(204,204,204);padding-left:1ex" class=3D"gmail_quote"><p>From =
the Bitcoin wiki <a href=3D"https://en.bitcoin.it/wiki/Transaction_fees#Tec=
hnical_info" rel=3D"nofollow">page on transaction fees</a>:</p>
<p>Transaction priority is calculated as a value-weighted sum of input
age, divided by transaction size in bytes: priority =3D sum(input_value_i=
n_base_units * input_age)/size_in_bytes</p></blockquote><div><div class=3D"=
gmail_extra"></div><div class=3D"gmail_extra">If I read that correctly, tha=
t is directly proportional to BTCDD, so whatever effect concerns you has al=
ready been built into the code.<br></div><div class=3D"gmail_extra"><br></d=
iv><div class=3D"gmail_extra"><div class=3D"gmail_quote">On Fri, Sep 11, 20=
15 at 3:21 PM, Vincent Truong <span dir=3D"ltr"><<a href=3D"mailto:vince=
nt.truong@procabiak.com" target=3D"_blank">vincent.truong@procabiak.com</a>=
></span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px=
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><p =
dir=3D"ltr">Would this alter the way txns will be prioritised in order to t=
ry to win? You would always pick txns with the best BTCDD to maximize your =
chances of being the block to build on.</p>
<p dir=3D"ltr">I see this as potentially being a bad outcome for bitcoin=
9;s fungibility.</p></blockquote></div><br></div></div></div>
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