Bip39 json https://www.sbnation.com/users/typhanhmdy It is very important which the mnemonic sentences are generated from randomly picked figures! These quantities might be created in a variety of various ways, that happen to be explained in other articles or blog posts in this article, like "What's an RNG" and Seed Phrase Technology. https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view