Bip39 Vs Slip39. The passphrase will not be selected in the predefined list of 2048 words – it could be any word or phrase you decide on. words, or enter your very own underneath. Mnemonics with lower than 12 words have small entropy and will be guessed by an attacker. https://bookmark-dofollow.com/story23511038/bip39-generator-https-linktr-ee-bip39-bip39-words-an-overview