Bip39 Github. The passphrase will not be chosen through the predefined list of 2048 words – it could be any word or phrase you decide on. And you ought to have created it down in case you were being hoping to keep a choice open to revive your accounts. — https://dailybookmarkhit.com/story18701582/bip39-words-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained