Bip39 one https://www.divephotoguide.com/user/arwyneglmp/ BIP85: A newer proposal making it possible for the deterministic derivation of a number of BIP39 mnemonic seeds from a master seed. Thanks to the cryptographic style of BIP-39, a weak passphrase will not lessen the safety of the other wallets or enable expose the seed words. https://maroonbookmarks.com/story19918061/bip-39-github-bip39-github-an-overview-https-dzen-ru-bip39-phrase-com