Private Key Area: Here Are a few code examples, depending on the elliptic curve secp256k1 used by ethereum, as Many others have mentioned in order for the 256-bit important to become valid, it should be smaller when compared to the curve's parameter n which happens to be also a 256-little https://ethereum-vanity-address76317.celticwiki.com/770497/the_basic_principles_of_rare_address