SFC is a POC-based storage hard disk mining distributed application public chain, SFC is committed to the storage and distribution of valuable content, in the form of mining, to reward miners for contributing unused bandwidth and storage space, SFC's mission is to connect all unused storage space, any storage device that can connect to the Internet can participate in mining, the formation of a powerful distributed data service system, SFC distributed ecology. The full name is Shared File. in a nutshell, Shared File Ecology, or SFC, is a super cloud system based on distributed storage content sharing. 1,000,000 SFCs are issued, 100,000,000 are released upfront, and 900,000,000 SFCs are mined out later.