Bip39 Github. Also, BIP39 defines the passphrase choice, that adds a reasonable level of additive defense in case your seed phrase is stolen or in any other case unintentionally exposed. On the other hand, Additionally, it adds some risk, so it is recommended for more knowledgeable end users. BIP32 was https://directory-engine.com/listings13032414/bip39-checksum-https-linktr-ee-bip39-bip39-mnemonic-generator-fundamentals-explained