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.
SmartCash is an easy to use, fast, and secure cryptocurrency that supports everyday use such as business payments. SmartCash has a unique decentralized governance system and technologies such as SmartNodes, InstantPay locked transactions in about a second, send by SMS and email, a project treasury with private key voting, SmartMining security, SmartCard, and it's Point of Sale app called SmartPay. SmartCash is pushing the limits of blockchain technology with tools that support entrepreneurship and innovation. Intended for use worldwide, SmartCash is available at ATMs, cryptocurrency shops in Canada and Europe, local exchanges and is especially popular in South America. In Brazil, 85% of retailers accept SmartCash with the SmartBand and is available at an additional 13,000 Caixa locations soon.