Bip39 Online. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of stability to your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A PIN, on https://social40.com/story4295809/bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic