Bip39 Passphrase. Entropy values has to be sourced from a robust supply of randomness. This implies flipping a fair coin, rolling a fair dice, sound measurements and many others. Don't use phrases from books, lyrics from tracks, your birthday or steet tackle, keyboard mashing, or nearly anything you think is https://neptunedirectory.com/listings13089875/bip39-npm-https-linktr-ee-bip39-5-simple-statements-about-bip39-compatible-wallet-explained