Bip39 Split Mnemonic Or for pretty significant safety, you could possibly "roll your personal" seed phrase with dice or even a calculator as offline techniques. You are able to see the complete source code in standalone, offline html file. Alternatively it is possible to Look at the individual css and https://thesocialroi.com/story8259245/12-word-seed-phrase-generator-github-a-review-of-seed-phrase-generator