Bip39 Standard. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of safety in your wallet that works along with your seed phrase to encrypt and protect your wallet. A PIN, on https://bookmarklogin.com/story18882030/bip39-list-https-linktr-ee-bip39-bip-39-no-further-a-mystery