Bip39 implementation https://atavi.com/share/xbwf7vz16jgof The last move of BIP-39 is building the particular binary seed that is then applied to be a master key in BIP-32 deterministic wallet or using other procedures. BIP39 is like the ability to “read through” and understand the seed phrase. But, your wallet also should know https://tornadosocial.com/story6218758/bip39-checksum-word-bip39-compatible-wallet-an-overview-https-linktr-ee-bip39