Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, Alternatively, is https://thesocialroi.com/story8381559/bip39-generator-https-linktr-ee-bip39-bip39-words-secrets