Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of protection for your wallet that works along with your seed phrase to encrypt and safeguard your wallet. A PIN, https://socialmphl.com/story20586500/bip39-wallet-https-linktr-ee-bip39-the-best-side-of-bip39-mnemonic