Opacity has quickly established itself as a tool to effortlessly share files uploaded through Oyster. Opacity means you are in control over who sees your data. Keep your file handle private, and you are the only one able to access that file. Selectively share it with friends, or whole communities, to make files accessible to whatever audience you like.
HappyCoin is a digital currency designed for use of peer-to-peer technology to operate with no central authority; managing transactions and issuing money is carried out collectively by the network.