What is key-derivation?
This skill should be used when the user asks to "derive keys", "use Type42", "use BRC-42", "derive child keys", "use BIP32", "use HD keys", "create mnemonic", "convert mnemonic to key", "derive BAP identity keys", "derive encryption keys", or mentions key derivation, hierarchical deterministic wallets, invoice numbers, or child key generation on BSV. Source: b-open-io/bsv-skills.