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Date: Sat, 9 Aug 2025 23:58:20 -0700 (PDT)
From: Calvin Kim <ccychc@gmail.com>
To: Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
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In-Reply-To: <a713fdee-f8d3-443a-ad16-8884ffa9abe5@murch.one>
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 <a713fdee-f8d3-443a-ad16-8884ffa9abe5@murch.one>
Subject: Re: [bitcoindev] [BIP Proposal] Utreexo Nodes
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Hello Murch,

Thank you for the review and the PR is now made=20
at https://github.com/bitcoin/bips/pull/1923

Best,
Calvin
On Thursday, August 7, 2025 at 8:24:11=E2=80=AFAM UTC+9 Murch wrote:

> Hello Calvin and all,
>
> Thank you for sharing your drafts. I skimmed your proposals and found=20
> them to be shaping up nicely. I didn=E2=80=99t notice anything worth conc=
eptual=20
> feedback at this time, but will have plenty comments later in the=20
> process when they are more fitting. Obviously, utreexo has had a lot of=
=20
> discussion in the past already and these proposals are fairly close to=20
> the editorial requirements, so please feel free to open pull requests=20
> for the proposals whenever you feel ready to do so.
>
> Cheers,
> Murch
>
> On 2025-07-29 16:20, Calvin Kim wrote:
> > Hello all,
> >
> > Tadge Dryja, Davidson Souza, and I would like to propose 3 BIPs=20
> > describing Utreexo, a consensus-compatible (non-soft fork) way to send=
=20
> > and verify transactions without storing the full UTXO set.
> >
> > The 3 BIPs are for:
> >
> > 1. The specification of the Utreexo accumulator.
> > 2. The specification of Bitcoin block and tx validation using the
> > Utreexo accumulator.
> > 3. The peer to peer networking changes required to enable Utreexo nodes=
.
> >
> >
> > We are currently looking for conceptual review. Do note that the=20
> > documents are not final, and they will be updated.
> >
> > All of the BIPs can be found here: https://github.com/utreexo/biptreexo
> >
> > We thank you in advance for your time and consideration.
> >
> > Best,
> > Calvin
> > --=20
> > You received this message because you are subscribed to the Google=20
> > Groups "Bitcoin Development Mailing List" group.
> > To unsubscribe from this group and stop receiving emails from it, send=
=20
> > an email to bitcoindev+...@googlegroups.com.
> > To view this discussion visit=20
> >=20
> https://groups.google.com/d/msgid/bitcoindev/3452b63c-ff2b-4dd9-90ee-83fd=
9cedcf4an%40googlegroups.com=20
> > <
> https://groups.google.com/d/msgid/bitcoindev/3452b63c-ff2b-4dd9-90ee-83fd=
9cedcf4an%40googlegroups.com?utm_medium=3Demail&utm_source=3Dfooter
> >.
>

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Hello Murch,<div><br /></div><div>Thank you for the review and the PR is no=
w made at=C2=A0https://github.com/bitcoin/bips/pull/1923<br /><br /></div><=
div>Best,</div><div>Calvin</div><div class=3D"gmail_quote"><div dir=3D"auto=
" class=3D"gmail_attr">On Thursday, August 7, 2025 at 8:24:11=E2=80=AFAM UT=
C+9 Murch wrote:<br/></div><blockquote class=3D"gmail_quote" style=3D"margi=
n: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1e=
x;">Hello Calvin and all,
<br>
<br>Thank you for sharing your drafts. I skimmed your proposals and found=
=20
<br>them to be shaping up nicely. I didn=E2=80=99t notice anything worth co=
nceptual=20
<br>feedback at this time, but will have plenty comments later in the=20
<br>process when they are more fitting. Obviously, utreexo has had a lot of=
=20
<br>discussion in the past already and these proposals are fairly close to=
=20
<br>the editorial requirements, so please feel free to open pull requests=
=20
<br>for the proposals whenever you feel ready to do so.
<br>
<br>Cheers,
<br>Murch
<br>
<br>On 2025-07-29 16:20, Calvin Kim wrote:
<br>&gt; Hello all,
<br>&gt;
<br>&gt; Tadge Dryja, Davidson Souza, and I would like to propose 3 BIPs=20
<br>&gt; describing Utreexo, a consensus-compatible (non-soft fork) way to =
send=20
<br>&gt; and verify transactions without storing the full UTXO set.
<br>&gt;
<br>&gt; The 3 BIPs are for:
<br>&gt;
<br>&gt;  1. The specification of the Utreexo accumulator.
<br>&gt;  2. The specification of Bitcoin block and tx validation using the
<br>&gt;     Utreexo accumulator.
<br>&gt;  3. The peer to peer networking changes required to enable Utreexo=
 nodes.
<br>&gt;
<br>&gt;
<br>&gt; We are currently looking for conceptual review. Do note that the=
=20
<br>&gt; documents are not final, and they will be updated.
<br>&gt;
<br>&gt; All of the BIPs can be found here: <a href=3D"https://github.com/u=
treexo/biptreexo" target=3D"_blank" rel=3D"nofollow" data-saferedirecturl=
=3D"https://www.google.com/url?hl=3Den&amp;q=3Dhttps://github.com/utreexo/b=
iptreexo&amp;source=3Dgmail&amp;ust=3D1754895292636000&amp;usg=3DAOvVaw3GO7=
v88q1F3Wsz_jL6lkqm">https://github.com/utreexo/biptreexo</a>
<br>&gt;
<br>&gt; We thank you in advance for your time and consideration.
<br>&gt;
<br>&gt; Best,
<br>&gt; Calvin
<br>&gt; --=20
<br>&gt; You received this message because you are subscribed to the Google=
=20
<br>&gt; Groups &quot;Bitcoin Development Mailing List&quot; group.
<br>&gt; To unsubscribe from this group and stop receiving emails from it, =
send=20
<br>&gt; an email to <a href data-email-masked rel=3D"nofollow">bitcoindev+=
...@googlegroups.com</a>.
<br>&gt; To view this discussion visit=20
<br>&gt; <a href=3D"https://groups.google.com/d/msgid/bitcoindev/3452b63c-f=
f2b-4dd9-90ee-83fd9cedcf4an%40googlegroups.com" target=3D"_blank" rel=3D"no=
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itcoindev/3452b63c-ff2b-4dd9-90ee-83fd9cedcf4an%40googlegroups.com</a>=20
<br>&gt; &lt;<a href=3D"https://groups.google.com/d/msgid/bitcoindev/3452b6=
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<br></blockquote></div>

<p></p>

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