Bip39-Standalone. Entropy values have to be sourced from a solid supply of randomness. This suggests flipping a fair coin, rolling a good dice, noise measurements etc. Never use phrases from books, lyrics from music, your birthday or steet handle, keyboard mashing, or everything you think that is random, simply because https://dotcom-directory.com/listings13098127/bip39-word-list-numbers-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-words