Create random Entropy bytes, its bitNum must be 32n, and within [128, 256].

Generate mnemonic from a given entropy, words seprated by string(" ").

NewSeed create seed for private key & public chain code.

Compute entrophy from mnemonics, so if the checksum is correct, the input mnemonics is correct.

only english wordlist available.

English is a slice of mnemonic words taken from the bip39 specification https://raw.githubusercontent.com/bitcoin/bips/master/bip-0039/english.txt.