Bip39 Seed Phrase. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety towards your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://wise-social.com/story4114145/bip39-words-https-linktr-ee-bip39-bip-39-no-further-a-mystery