Bip39 Last Word Just one example of manually creating entropy will be flipping a coin. But if an attacker provides a coin that's weighted slightly in favor of heads, your Original supply of entropy could have been corrupted. Retail store it in a protected spot: Your seed phrase is basically https://socialbuzzfeed.com/story4004111/seed-phrase-wallet-generator-5-essential-elements-for-seed-phrase-generator