Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of security on your wallet that works along with your seed phrase to encrypt and safeguard your wallet. A PIN, On the https://socialrus.com/story18019729/bip39-wallets-https-linktr-ee-bip39-about-ian-coleman-bip39