Bip39 Standard. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety towards your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, https://hyperbookmarks.com/story18788958/bip39-https-linktr-ee-bip39-bip39-words-secrets