Bip39 history https://www.hometalk.com/member/176312665/elva1377050 Checksum development: A checksum is created from this entropy working with SHA-256 hashing, which can help verify the mnemonic's integrity later. BIP39 is like the ability to “read through” and fully grasp the seed phrase. But, your wallet also should understand how to “locate” your coins applying https://webnowmedia.com/story6082760/bip39-s-entropy-to-mnemonic-bip39-compatible-wallet-can-be-fun-for-anyone-https-linktr-ee-bip39