Bip39 Compatible Wallet. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, However, https://webnowmedia.com/story4308778/bip39-passphrase-https-linktr-ee-bip39-an-unbiased-view-of-bip-39