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ZIP 316: clarify how P2PKH addresses are derived. 

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
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Daira Hopwood 2021-10-18 20:01:57 +01:00
parent 4d0477ce5f
commit b85a249a59
1 changed files with 5 additions and 4 deletions
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zip-0316.rst
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@ -554,10 +554,11 @@ In the case of deriving a Transparent P2PKH Receiver from a Transparent
P2PKH UIVK, the diversifier index is used as a BIP 44 child key index P2PKH UIVK, the diversifier index is used as a BIP 44 child key index
at the Index level to derive the address. As is usual for derivations at the Index level to derive the address. As is usual for derivations
below the BIP 44 Account level, non-hardened (public) derivation below the BIP 44 Account level, non-hardened (public) derivation
[#bip-0032-public-to-public]_ MUST be used, with the Change element [#bip-0032-public-to-public]_ MUST be used. The UIVK is assumed to
of the path being 0, and the Index element of the path being the be the extended public key for the non-change element of the path, and
diversifier index [#bip-0044-path-index]_. That is, the BIP 44 path of then the Index element of the path MUST be the diversifier index
the Transparent P2PKH Receiver MUST be: [#bip-0044-path-index]_. That is, if the UIVK was constructed correctly
then the BIP 44 path of the Transparent P2PKH Receiver will be:
* :math:`m / 44' / \mathit{coin\_type\kern0.05em'} / \mathit{account\kern0.1em'} / 0 / \mathit{diversifier\_index}.` * :math:`m / 44' / \mathit{coin\_type\kern0.05em'} / \mathit{account\kern0.1em'} / 0 / \mathit{diversifier\_index}.`