Bip39 Vs Slip39. Entropy values needs to be sourced from a solid source of randomness. This suggests flipping a fair coin, rolling a good dice, noise measurements and so on. Do NOT use phrases from textbooks, lyrics from songs, your birthday or steet address, keyboard mashing, or everything you're thinking https://thedirectoryblog.com/listings13065570/bip39-npm-https-linktr-ee-bip39-the-5-second-trick-for-bip39-seed-generator