Bip39 Seed. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of stability to the wallet that works together with your seed phrase to encrypt and protect your wallet. A PIN, https://bookmarklogin.com/story18911237/bip39-wallet-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic