Bip39 standalone html https://www.spreaker.com/podcast/palerioiwk--6670096 It really is essential which the mnemonic sentences are created from randomly chosen numbers! These quantities could be generated in many different different ways, which happen to be explained in other posts in this article, like "Precisely what is an RNG" and Seed Phrase Era. This https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure