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BIP-85: Nostr application should error for reserved index #2287

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BIP-85: Nostr application should error for reserved index #2287

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9 changes: 8 additions & 1 deletion bip-0085.mediawiki
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Expand Up @@ -435,7 +435,8 @@ Each <code>identity</code> is an independent, unlinkable Nostr key namespace, an
Identity index <code>0'</code> and account index <code>0'</code> are reserved for future
key-management use, such as proof-of-linkage between an identity's keys, key rotation, and
revocation. Their semantics are out of scope for this BIP and may be specified by a future
NIP. Usable signing keys therefore start at <code>identity >= 1'</code> and
NIP. Implementations should throw an error if a reserved index is provided as input.
Usable signing keys therefore start at <code>identity >= 1'</code> and
<code>account_index >= 1'</code>.

The standard application of BIP-85 produces 64 bytes of entropy. Take the first 32 bytes
Expand Down Expand Up @@ -492,6 +493,12 @@ BIP32, BIP39,

==Changelog==

===2.1.1 (2026-09-12)===

====Changed====

* Nostr application should error for reserved index

===2.1.0 (2026-08-02)===

====Added====
Expand Down