Gapcoin is a new prime number based p2p cryptocurrency, which tries to eliminate the sticking points of other scientific currencies like Primecoin or Riecoin. It's a fork of Satoshi Nakamotos Bitcoin, a decentralized payment system which is independent of banks, governments and other centralized regulators. With Gapcoin, you will be able to anonymously send money around the globe in no time. The big improvement in comparison to Bitcoin is that instead of burning electricity for its own sake, Gapcoins Proof of Work function actually does useful work by searching for large prime gaps
FNKOS is a fog computing-based blockchain operating system designed to make the best use of the edge computing resources such as idle hardware network and storage resources. The fog blockchain was built on the basis of a PoC (Proof of Contribution) consensus algorithm: nodes get FNKOS incentives according to their contribution in the fog blockchain based on network flow, storage volume, computational capacity.