Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of stability for your wallet that works alongside your seed phrase to encrypt and secure your wallet. A PIN, Then again, https://bookmark-media.com/story19206395/bip39-passphrase-https-linktr-ee-bip39-bip39-words-secrets