Bip39 Checksum. Entropy values must be sourced from a powerful supply of randomness. What this means is flipping a fair coin, rolling a fair dice, sound measurements and so on. Don't use phrases from textbooks, lyrics from songs, your birthday or steet handle, keyboard mashing, or everything you believe is https://victordirectory.com/listings613603/bip39-compatible-wallet-https-linktr-ee-bip39-bip39-mnemonic-things-to-know-before-you-buy