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nips/06.md
Seth For Privacy c6e14c8087
Add address_index for NIP-06 generation 
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.
2023-04-04 13:43:59 -04:00

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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.