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Date: Wed, 24 Sep 2025 11:54:51 -0700 (PDT)
From: Aiden McClelland <me@drbonez.dev>
To: Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
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Subject: Re: [bitcoindev] [BIP Proposal] Mempool Validation and Relay Policies
via User-Defined Scripts
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If mempool consistency across the network is all that is important, why=20
allow any configuration of mempool relay policies at all?
On Wednesday, September 24, 2025 at 12:47:28=E2=80=AFPM UTC-6 Greg Maxwell =
wrote:
> This appears to substantially misunderstands the purpose of the mempool=
=20
> broadly in the network-- it's purpose is to model what will get mined. I=
f=20
> you're not doing that you might as well set blocks only. =20
> Significant discrepancies are harmful to the system and promote=20
> centralization and fail to achieve a useful purpose in any case. What=20
> marginal benefits might be provided do not justify building and deploying=
=20
> the technological infrastructure for massive censorship.
>
> If you think this is important, I advise you to select another=20
> cryptocurrency which is compatible with such authoritarian leanings. --=
=20
> though I am unsure if any exist since it is such a transparently pointles=
s=20
> direction.
>
>
> On Wed, Sep 24, 2025 at 6:30=E2=80=AFPM Aiden McClelland <m...@drbonez.de=
v> wrote:
>
>> Hi all,
>>
>> I'd like to share for discussion a draft BIP to allow for a modular=20
>> mempool/relay policy: https://github.com/bitcoin/bips/pull/1985
>>
>> I think it could potentially reduce conflict within the community around=
=20
>> relay policy, as an alternative to running lots of different node=20
>> implementations/forks when there are disagreements.
>>
>> I am working on a reference implementation using Bellard's QuickJS, but=
=20
>> it has been almost a decade since I've written C++, so it's slow going a=
nd=20
>> I'm sure doesn't follow best-practices. Once it's working, it can be=20
>> cleaned up.
>>
>> Thanks,
>> Aiden McClelland
>>
>> --=20
>> You received this message because you are subscribed to the Google Group=
s=20
>> "Bitcoin Development Mailing List" group.
>> To unsubscribe from this group and stop receiving emails from it, send a=
n=20
>> email to bitcoindev+...@googlegroups.com.
>> To view this discussion visit=20
>> https://groups.google.com/d/msgid/bitcoindev/cbdab6fa-93bc-44c9-80f0-6c6=
8c6554f56n%40googlegroups.com=20
>> <https://groups.google.com/d/msgid/bitcoindev/cbdab6fa-93bc-44c9-80f0-6c=
68c6554f56n%40googlegroups.com?utm_medium=3Demail&utm_source=3Dfooter>
>> .
>>
>
--=20
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If mempool consistency across the network is all that is important, why all=
ow any configuration of mempool relay policies at all?<br /><br /><div clas=
s=3D"gmail_quote"><div dir=3D"auto" class=3D"gmail_attr">On Wednesday, Sept=
ember 24, 2025 at 12:47:28=E2=80=AFPM UTC-6 Greg Maxwell wrote:<br/></div><=
blockquote class=3D"gmail_quote" style=3D"margin: 0 0 0 0.8ex; border-left:=
1px solid rgb(204, 204, 204); padding-left: 1ex;"><div dir=3D"ltr"><div>Th=
is appears to substantially=C2=A0misunderstands the purpose of the mempool =
broadly in the network-- it's purpose is to model what will get mined.=
=C2=A0 If you're not doing that you might as well set blocks only.=C2=
=A0 Significant=C2=A0discrepancies=C2=A0are harmful to the system and promo=
te centralization=C2=A0and fail to achieve a useful purpose in any case.=C2=
=A0 What marginal benefits might be provided do not justify=C2=A0building a=
nd deploying the technological=C2=A0infrastructure=C2=A0for massive censors=
hip.</div><div><br></div><div>If you think this is important, I advise you =
to select another cryptocurrency which is compatible with such authoritaria=
n=C2=A0leanings.=C2=A0 -- though I am unsure if any exist since it is such =
a transparently pointless direction.</div><div><br></div></div><br><div cla=
ss=3D"gmail_quote"></div><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Wed, Sep 24, 2025 at 6:30=E2=80=AFPM Aiden McClelland &l=
t;<a href data-email-masked rel=3D"nofollow">m...@drbonez.dev</a>> wrote=
:<br></div></div><div class=3D"gmail_quote"><blockquote class=3D"gmail_quot=
e" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204)=
;padding-left:1ex"><div>Hi all,</div><div><br></div><div>I'd like to sh=
are for discussion a draft BIP to allow for a modular mempool/relay policy:=
<a href=3D"https://github.com/bitcoin/bips/pull/1985" target=3D"_blank" re=
l=3D"nofollow" data-saferedirecturl=3D"https://www.google.com/url?hl=3Den&a=
mp;q=3Dhttps://github.com/bitcoin/bips/pull/1985&source=3Dgmail&ust=
=3D1758826365601000&usg=3DAOvVaw2O1AkrLTtWeFifB7RlwvXx">https://github.=
com/bitcoin/bips/pull/1985</a><br><br></div><div>I think it could potential=
ly reduce conflict within the community around relay policy, as an alternat=
ive to running lots of different node implementations/forks when there are =
disagreements.</div><div><br></div><div>I am working on a reference impleme=
ntation using Bellard's QuickJS, but it has been almost a decade since =
I've written C++, so it's slow going and I'm sure doesn't f=
ollow best-practices. Once it's working, it can be cleaned up.</div><di=
v><br></div><div>Thanks,</div><div>Aiden McClelland<br></div>
<p></p></blockquote></div><div class=3D"gmail_quote"><blockquote class=3D"g=
mail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">
-- <br>
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bitcoindev/cbdab6fa-93bc-44c9-80f0-6c68c6554f56n%40googlegroups.com?utm_med=
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0googlegroups.com?utm_medium%3Demail%26utm_source%3Dfooter&source=3Dgma=
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://groups.google.com/d/msgid/bitcoindev/cbdab6fa-93bc-44c9-80f0-6c68c6554f5=
6n%40googlegroups.com</a>.<br>
</blockquote></div>
</blockquote></div>
<p></p>
-- <br />
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