Bip39-Standalone. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety in your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, on https://socialimarketing.com/story4929647/bip39-wallets-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic