Corporate files are often private or confidential. SX4 can run offline. Hence no documents ever travel on the net when recorded on the blockchain, ensuring complete confidentiality. It is then your choice to make their inventory accessible online in a few seconds. Once hashed, the content of the files cannot be accessed but any of their records can be searched, and located instantly. As to the files, they cannot be tempered with as all documents are made blocks and tied in a chain. The beauty of the blockchain technology.