Novacoin is a hybrid Proof of work (POW) / Proof of stake (POS) decentralized peer-to-peer cryptocurrency.The Proof of Work part of Novacoin is based on the Scrypt hashing algorithm. Proof of Stake contributes to the coins energy efficiency, as there is no need for nodes to contribute mining power to part of the money creation process. As of now, Novacoin is set to be capped at 2 billion coins. However Novacoin stated that the cap limit may be lifted if the situation requires it. It looks very much like a variation of Sunny King Peercoin.
Refereum uses the blockchain to directly connect developers and influencers, resulting in lower marketing costs and increased profits for everyone. In addition to more effective growth, Refereum strengthens engagement by offering cash prizes — enabling rewards for anything from an in-game high score to an eSports grand prize. We are working closely with Twitch and Unity, and anyone can play our open source demo today.