Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, On the flip https://bookmarkity.com/story19460729/bip-39-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work