Bip39 Standard. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety for your wallet that actually works together with your seed phrase to encrypt and protect your wallet. A https://bookmarkproduct.com/story18855977/bip39-passphrase-https-linktr-ee-bip39-5-essential-elements-for-bip-39