Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of stability in your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A https://bookmarklinking.com/story4706071/bip-39-https-linktr-ee-bip39-5-essential-elements-for-bip39-word-list