Bip39 root key https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 BIP85: A more recent proposal allowing the deterministic derivation of many BIP39 mnemonic seeds from the master seed. BitBox02 - A successor to your BitBox collection, this hardware wallet supports BIP39 seed phrases and offers a combination of usab... https://kingslists.com/story21544219/bip39-first-4-letters-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7