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Date: Fri, 17 Jan 2025 06:54:55 -0800 (PST)
From: Andrew Toth <andrewstoth@gmail.com>
To: Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
Message-Id: <a594150d-fd61-42f5-91cd-51ea32ba2b2cn@googlegroups.com>
Subject: [bitcoindev] BIP Draft: unspendable() Descriptor Key Expression
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This is a BIP Draft for an unspendable key expression that can be used as
the taproot internal key. The expression creates a provably unspendable key
that is deterministically created with only the descriptor. This allows all
participants to verify that the keypath is unspendable, while also hiding
that fact from outside observers.
Previous discussion on delving
https://delvingbitcoin.org/t/unspendable-keys-in-descriptors/304.
https://github.com/bitcoin/bips/pull/1746
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<div>
<div>
=20
<span disabled=3D"">
<div>
<p dir=3D"auto">This is a BIP Draft for an <span>unspendable</span>
key expression that can be used as the taproot internal key. The=20
expression creates a provably unspendable key that is deterministically=20
created with only the descriptor. This allows all participants to verify
that the keypath is unspendable, while also hiding that fact from=20
outside observers.</p>
<p dir=3D"auto">Previous discussion on delving <a href=3D"https://delvingbi=
tcoin.org/t/unspendable-keys-in-descriptors/304" rel=3D"nofollow">https://d=
elvingbitcoin.org/t/unspendable-keys-in-descriptors/304</a>.</p><p dir=3D"a=
uto"><br /></p><p dir=3D"auto">https://github.com/bitcoin/bips/pull/1746</p=
>
</div>
</span>
=20
</div>
</div>
<p></p>
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