That won't work. A lot of people have tried to create systems that they claim always compress movies or files or something else. Yet, none of those systems ever come to market. They get backers to give them cash, then they disappear. The reason they don't come to market is that they don't exist. Look up the pigeon-hole principle. It's the very first principle of data compression.

You can't compress a file by repeatedly storing a series of hashes, then hashes of those hashes, down into smaller and smaller representations. The reason that you cannot do this is that you cannot create a lossless file smaller than the original entropy. If you could happen to do so, however, you would get down to ever smaller files, until you had one byte left. But, you could never decompress such a file, because there is no single correct interpretation of such a decompression. In other words, your decompression is not the original file.