Mastercoin / Omni is a digital currency built on top of the Bitcoin blockchain. Its features include the development of a decentralised exchange and the implementation of smart property and savings wallet. The Master Protocol facilitates the creation and trading of smart properties and user currencies as well as other types of smart contracts. Mastercoin enables the Bitcoin eco-system to become more decentralized. The Mastercoin project was launched on 31 July 2013 with a one-month long fundraiser. Those interested in obtaining Mastercoin may send bitcoin to an 'Exodus Address' where the funds collected would be used to fund the development of Mastercoin. Around 500 people invested in Mastercoin sending roughly 5000 bitcoins to the Mastercoin project.
GameCredits is a digital currency that is created to support games and their developers. The crowdfunding platform Game4commit makes it possible for developers to raise money for their game projects. In the future, it might also be possible to offer GameCredits as a reward for gamers in the game. This creates a whole new economy for mobile and online gaming. GameCredits is a rebrand of Gamerscoin.