Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A https://gogogobookmarks.com/story18979167/bip39-mnemonic-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic