Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of security in your wallet that works along with your seed phrase to encrypt and safeguard your wallet. A PIN, On https://bookmarkbooth.com/story19598059/bip39-mnemonic-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-wallets