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From: Ethan Heilman <eth3rs@gmail.com>
Date: Thu, 25 Apr 2024 20:34:31 -0400
Message-ID: <CAEM=y+W5EfKAXDad-ByLt1x9mWu4QAx_hEt_SYq_Lj6DArpVBw@mail.gmail.com>
Subject: Re: [bitcoindev] Re: Updated BIP for OP_CAT
To: Ali Sherief <ali@notatether.com>
Cc: Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
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Excellent point, I've updated the BIP to specify the theoretical
maximum of public keys. See commit
https://github.com/EthanHeilman/bips/commit/852502b9cf0568dc4c75d93aaaaee3d=
102002ec7

> On a further note, if there are enough practical uses for tree signatures=
, we could make it into a fully fledged BIP too

I'd love to see a tree signature BIP. You should make one.

On Wed, Apr 24, 2024 at 11:35=E2=80=AFAM Ali Sherief <ali@notatether.com> w=
rote:
>
> Hi Ethan,
>
> Very good to see your OP_CAT design is now on the mailing list.
>
> Inside the BIP text, you mention that a sufficiently large OP_CAT script =
can "support tree signatures with a thousand public keys." I think it would=
 be more useful to put the theoretical limit there, as it is buried along w=
ith the rest of the data on tree signatures inside the reference link to Bl=
ockstream's web page, which could go stale for whatever reason.
>
> On a further note, if there are enough practical uses for tree signatures=
, we could make it into a fully fledged BIP too, instead of just something =
cool that would make the Stacker News front page.
>
> - Ali
>
> On Tuesday, April 16, 2024 at 7:21:22=E2=80=AFPM UTC Ethan Heilman wrote:
>
> Hi everyone,
>
> We've recently made a number of updates to the OP_CAT BIP proposal includ=
ing adding a rationale section, an expanded backwards compatibility section=
 and an updated reference implementation.
>
> It can be found as a PR to the bitcoin/bips repo here:
> https://github.com/bitcoin/bips/pull/1525
> or as BINANA BIN-2024-0001:
> https://github.com/bitcoin-inquisition/binana/blob/master/2024/BIN-2024-0=
001.md
>
> Thanks,
> Ethan
>
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