Bip39 validate mnemonic https://www.storeboard.com/myrtierisaliti It is really crucial which the mnemonic sentences are generated from randomly chosen quantities! These numbers is often generated in a number of different ways, that happen to be explained in other posts below, like "What is an RNG" and Seed Phrase Generation. BIP39 solves this https://monobookmarks.com/story20423511/bip39-nedir-the-single-best-strategy-to-use-for-bip39-recovery-tool-https-x-com-tundra838554 
