Bip39 excel https://franciscougju442.bravesites.com/entries/general/Produce-Bitcoin-Addresses-from-Seed-Every-Little-Thing-You-Required-to-Know BIP85: A more recent proposal permitting the deterministic derivation of several BIP39 mnemonic seeds from a master seed. BIP39 is like the ability to “study” and have an understanding of the seed phrase. But, your wallet also must understand ... https://linktr.ee/bip39