Bip39 recovery seeds https://franciscougju442.bravesites.com/entries/general/Produce-Bitcoin-Addresses-from-Seed-Every-Little-Thing-You-Required-to-Know Checksum generation: A checksum is generated from this entropy making use of SHA-256 hashing, which will help confirm the mnemonic's integrity later on. Due to the fact adding a passphrase to the seed words produces a whole new wallet... https://bookmarkcolumn.com/story20259890/bip39-first-4-letters-the-5-second-trick-for-bip39-compatible-wallet-https-dzen-ru-bip39-phrase-com