Bip39 Tool. The passphrase is just not picked through the predefined list of 2048 words – it can be any word or phrase you end up picking. At its Main, a BIP39 passphrase modifies the cryptographic strategy of wallet era. Right here’s a technical look at how it really works: https://bookmarkplaces.com/story18926943/bip39-wallet-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery