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From: Pavol Rusnak <stick@satoshilabs.com>
Date: Wed, 27 Jul 2022 10:44:36 +0200
Message-ID: <CAF90AvkZWqRv_hwj2qacOZjpSjdenb-51PcXFgAG4Z985m7BBQ@mail.gmail.com>
To: Andrew Chow <achow101-lists@achow101.com>
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Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] BIP Proposal: Receiving and Change Derivation
 Paths in a Single Descriptor
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On Wed, 27 Jul 2022 at 00:28, Andrew Chow <achow101-lists@achow101.com>
wrote:

> However I don't see why this couldn't generalize to any sized tuples. As
> long as the tuples are all the same length, and the limit is one tuple per
> key expression, then we don't get any combinatorial blowup issues.
>

I think it's worthwhile to generalize for any sized tuples. I don't have
any existing particular use case in mind, because BIP-44, BIP-84, etc. are
fine with just using <0;1>, but there might be some upcoming standards in
the future that will want to introduce more sub-paths.


-- 
Best Regards / S pozdravom,

Pavol "stick" Rusnak
Co-Founder, SatoshiLabs

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<div dir=3D"ltr"><div dir=3D"ltr">On Wed, 27 Jul 2022 at 00:28, Andrew Chow=
 &lt;<a href=3D"mailto:achow101-lists@achow101.com">achow101-lists@achow101=
.com</a>&gt; wrote:<br></div><div class=3D"gmail_quote"><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">
   =20
 =20
  <div>However I
    don&#39;t see why this couldn&#39;t generalize to any sized tuples. As =
long
    as the tuples are all the same length, and the limit is one tuple
    per key expression, then we don&#39;t get any combinatorial blowup
    issues.<br></div></blockquote><div><br></div><div>I think it&#39;s wort=
hwhile=C2=A0to generalize for any sized tuples. I don&#39;t have any existi=
ng=C2=A0particular use case in mind, because BIP-44, BIP-84, etc. are fine =
with just using &lt;0;1&gt;, but there might be some upcoming standards in =
the future that will want to introduce more sub-paths.</div><div><br></div>=
<div>=C2=A0</div></div>-- <br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr"><div><div dir=3D"ltr"><div></div><div>Best Regards / S pozdr=
avom,</div><div><br></div><div>Pavol &quot;stick&quot; Rusnak</div><div>Co-=
Founder, SatoshiLabs</div></div></div></div></div></div>

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