BIP Draft: unspendable() Descriptor Key Expression

BIP Draft: unspendable() Descriptor Key Expression
From: Andrew Toth @ 2025-01-17 14:54 UTC ( / )
  To: Bitcoin Development Mailing List




 

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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