Kotlin Bip39 Or for very large security, you could possibly "roll your individual" seed phrase with dice or maybe a calculator as offline strategies. This will create a bundle that only has the chinese_simplified wordlist, and it will be the default wordlist for all phone calls devoid of specific wordlists. https://bookmarkleader.com/story18547899/bip39-address-considerations-to-know-about-seed-phrase-generator