Bip39 Npm. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, https://hotbookmarkings.com/story18660284/bip39-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained