Bip39 js https://www.empowher.com/user/4550298 It really is very important the mnemonic sentences are created from randomly selected quantities! These numbers might be created in a number of various ways, which happen to be described in other articles right here, like "What is an RNG" and Seed Phrase Technology. For example, in https://sparxsocial.com/story10557020/bip39-reddit-the-fact-about-bip39-word-list-github-that-no-one-is-suggesting-https-linktr-ee-bip39