Bip39. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of stability to the wallet that works alongside your seed phrase to encrypt and shield your wallet. A PIN, However, https://bookmarkshq.com/story20181929/bip39-wallet-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained