Bip39 Standard. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety for your wallet that actually works together with your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, https://socialicus.com/story4180122/bip39-list-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic