Bip39 Bip44 One illustration of manually making entropy might be flipping a coin. But when an attacker provides a coin that's weighted somewhat in favor of heads, your Original source of entropy will have been corrupted. The program will constantly make seed phrases and Test the balances of connected wallets. https://kingslists.com/story19887202/electrum-seed-phrase-generator-the-2-minute-rule-for-bip39