Bip39 Longest Word Or for quite higher protection, you could potentially "roll your own" seed phrase with dice or even a calculator as offline solutions. You'll be able to see the total supply code in standalone, offline html file. Alternatively you could Test the person css and js information in https://e-bookmarks.com/story4213762/trust-wallet-seed-phrase-generator-the-smart-trick-of-bip39-phrase-that-nobody-is-discussing