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I propose a change to NIP-06 that would allow the generation of infinite root keys by using the address_index field of the 5-level path used to derive Nostr keys under BIP32. The current 5-level path used for NIP-06 is "m/44'/1237'/0'/0/0", and only generates one private key. By changing it to "m/44'/1237'/0'/0/<address_index>", we can generate multiple keys from a single parent bitcoin seed.
772 B
772 B
NIP-06
Basic key derivation from mnemonic seed phrase
draft
optional
author:fiatjaf
BIP39 is used to generate mnemonic seed words and derive a binary seed from them.
BIP32 is used to derive the path m/44'/1237'/0'/0/<address_index>
(according to the Nostr entry on SLIP44).
A basic client can simply use an address_index
of 0
to derive a single key. For more advanced use-cases you can increment address_index
, allowing generation of practically infinite keys from the 5-level path.
Other types of clients can still get fancy and use other derivation paths for their own other purposes.