Bip39 node js http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf BIP85: A newer proposal making it possible for the deterministic derivation of a number of BIP39 mnemonic seeds from a learn seed. Due to the cryptographic style of BIP-39, a weak passphrase won't reduce the security of the opposite wallets or help reveal the seed words. https://nybookmark.com/story22511146/bip39-online-generator-the-single-best-strategy-to-use-for-bip39-word-list-txt-https-dzen-ru-bip39-phrase-com