Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A PIN, on https://easiestbookmarks.com/story19101804/bip39-mnemonic-https-linktr-ee-bip39-bip39-words-fundamentals-explained