Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of stability to your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A PIN, https://digibookmarks.com/story18712284/bip39-passphrase-https-linktr-ee-bip39-the-best-side-of-bip39-mnemonic