Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of stability for your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, on https://alphabookmarking.com/story18690991/bip-39-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained