Bip39 Mnemonic. The passphrase will not be chosen through the predefined list of 2048 words – it could be any word or phrase you decide on. Entropy is an advanced attribute. Your mnemonic may very well be insecure if this element is used incorrectly. Go through extra Remembering Your Passphrase: https://bookmark-search.com/story18827800/bip39-mnemonic-https-linktr-ee-bip39-top-latest-five-bip39-list-urban-news