Bip39 offline http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf Checksum development: A checksum is created from this entropy using SHA-256 hashing, which can help confirm the mnemonic's integrity later on. Want to examine which wallets support the BIP39 mnemonic recovery seed phrase? Read through the posting beneath to determine. Research by blockchain safety business... https://bookmarksystem.com/story19700846/bip39-cli-the-greatest-guide-to-bip39-https-x-com-tundra838554