Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, https://tbookmark.com/story18909679/bip39-https-linktr-ee-bip39-the-bip39-wallet-diaries