Bip39 Passphrase. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A PIN, https://natural-bookmark.com/story18652891/bip39-mnemonic-https-linktr-ee-bip39-bip39-words-secrets