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 extra layer of safety on your wallet that works alongside your seed phrase to encrypt and protect your wallet. A PIN, On the https://reallivesocial.com/story4905344/bip39-mnemonic-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work