Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security to the wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, https://socialislife.com/story4215741/bip39-list-https-linktr-ee-bip39-top-guidelines-of-bip39-words