Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection to your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A https://socialislife.com/story4600501/bip39-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic