Bip39 Github. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security on your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, On https://socialinplace.com/story4539481/bip-39-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic