Bip39 Npm. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of security to the wallet that works along with your seed phrase to encrypt and defend your wallet. A PIN, https://thejillist.com/story8858770/bip39-mnemonic-https-linktr-ee-bip39-top-guidelines-of-bip39-words