The Blockchain technology is, in a way, an extension of this concept. However, it is important to point out here that the Blockchain is not meant to share documents. Rather, it is just an analogy, which will help to have clear-cut idea about this cutting-edge technology.
Blockchain stores blocks of information across the network, that are identical. By virtue of this feature: The data or information cannot be controlled by any single, particular entity. There can’t be no single failure point either. The data is hold in a public network, which ensures absolute transparency in the overall procedure. The data stored in it cannot be corrupted.