Bip39 compatible wallet https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts The last step of BIP-39 is generating the particular binary seed which happens to be then used to be a master critical in BIP-32 deterministic wallet or using other techniques. BIP39 improves wallet security by building backups reputable, straightforward, an... http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf