Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of stability on your wallet that works along with your seed phrase to encrypt and safeguard your wallet. A https://gorillasocialwork.com/story20501976/bip39-words-https-linktr-ee-bip39-about-ian-coleman-bip39