Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security on your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, https://socialeweb.com/story3998257/bip39-passphrase-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained