Bip39 Seed Words One example of manually building entropy will be flipping a coin. But if an attacker will give you a coin that is weighted a bit in favor of heads, your Original source of entropy should have been corrupted. Backup: As soon as produced, the seed phrase is https://ezmarkbookmarks.com/story19104650/bip39-tool-github-little-known-facts-about-bip39-word-list