Electrum bip39 passphrase https://www.demilked.com/author/gobnettlmz/ Checksum generation: A checksum is generated from this entropy employing SHA-256 hashing, which assists validate the mnemonic's integrity later. Every word’s 1st 4 people are distinctive, making it possible for wallets to establish the proper word even if only Element of it is entered. Zengo - https://www.plurk.com/p/3hf2syltjx