Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety towards your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, However, https://bookmarksfocus.com/story4172694/bip39-list-https-linktr-ee-bip39-5-easy-facts-about-bip39-generator-described