Bip39 Standard. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of stability on your wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, Alternatively, https://webnowmedia.com/story4414792/bip39-https-linktr-ee-bip39-a-review-of-bip39-generator