One of the problems that a large part of the a certain gaming community has understood over the years has been one of version checking. A common, though now older, method of version checking among this community has been to execute a known algorithm based on a seeded value; however, the algorithm would change based on a formula sent over the wire. For instance, suppose for every four bytes in a file, there are four state values: A, B, C, and S. The S value is the current four bytes of the file. The ......