Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety on your wallet that works together with your seed phrase to encrypt and protect your wallet. A PIN, However, https://socialicus.com/story4603885/bip39-word-list-https-linktr-ee-bip39-a-review-of-bip39-words