Bip39 dart http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf D'CENT Biometric Wallet - A hardware wallet by using a biometric authentication aspect, supporting BIP39 seed phrases and providing an added layer of safety. BIP39 solves this by utilizing human-readable seed phrases made up of pure language words. These seed phrases are processed from the wallet's algorithm https://penzu.com/p/2ea6922b70254307