Bip39 vs bip84 https://jsbin.com/titaniseko It is really vital the mnemonic sentences are produced from randomly chosen figures! These figures is usually created in many different other ways, which can be explained in other posts below, like "What's an RNG" and Seed Phrase Generation. This will work since BIP39 is supported https://ameblo.jp/generate-bip39brooks/entry-12913353546.html