Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety to the wallet that works along with your seed phrase to encrypt and protect your wallet. A PIN, https://socialmediatotal.com/story4139716/bip39-passphrase-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-wallets