Bip39 Json One particular example of manually creating entropy will be flipping a coin. However, if an attacker provides a coin that is weighted somewhat in favor of heads, your First supply of entropy could have been corrupted. Really don't share: Hardly ever share your seed phrase with any one. https://freshbookmarking.com/story18755973/recovery-seed-phrase-generator-bot-everything-about-bip39-phrase