Seed Phrase Bip39 Just one example of manually making entropy might be flipping a coin. But when an attacker gives you a coin that is weighted somewhat in favor of heads, your Original source of entropy may have been corrupted. They do not retailer specifically personal details, but are dependant https://funny-lists.com/story19644685/bip39-word-list-with-numbers-the-definitive-guide-to-bip39-phrase