The Universal currency ,which is also known as UC dollar or UC trade dollar, is a complementary currency used to exchange credit transactions between trade exchanges that is also called barter exchanges around the world. The Universal Currency Information Exchange (UC) acts as a broker, exchange office, and third-party record custodian of barter transactions among UC members. UC was established by IRTA, and all IRTA members thereafter automatically become UC members, although UC members are also open to non-IRTA members 1. The main goal of UC is to provide IRTA members with a reliable and effective means of trading each other through the global market. Through unified communications, members have more opportunities to expand their market coverage and increase their purchasing options.
BitCloud is a decentralized digital currency that can be used anywhere. The company claims that they are not regulated by any country but are collectively managed by individuals. It provides a complete encryption and fast payment system for Its users. Basically, BitCloud is an alternative cryptocurrency that you can use for the same things you can use them for the same thing. In order to prevent inflation, only a limited number of 200 million Bitclouds will never exist.
Goodomy (formerly known as Good Karma) is a digital currency for consumer rewards. When you purchase goods and services, you can be rewarded with Goodomy. The develops easy-to-use tools that allow people to magnify the value of the operations they perform every day. This will be implemented in two different aspects, its subitems OTOL and Shopomy. they form a 'good economy' together. Shopomy is a global, distributed "personal bank" with tagged accounts that can be used for direct person-to-person transactions. Our goal with Shopomy is to make it more cost-effective for people to buy what they want or need, and to enable business owners to increase their mobility OTOL is a "mobile Internet" platform that allows people to do what they want or need to do, and expand their possibilities. Our goal with OTOL is to make the creation and use of the mobile market a convenient place for everyone, places, and things in the known world, and to allow anyone (or anyone else) to use OTOL tokens to conduct behavior-based transactions with these markets. The goal of Goodomy is to make its blockchain easy to use and easy for ordinary people to use, which improves the utility and value of each GOOD token greatly. We call this the "social blockchain" or the mass blockchain.
2GIVE is the next generation of stakeholder-based cryptocurrency designed to support social responsibility management and is backed by the power of the Digital Foundation - the Nonprofit Digital Trust Foundation. 2GIVE can easily support your favorite non-profit or pro-social cause and can be used to "forward payment" through social tips. The network is secured through a shared rewards system that allows stakeholders to generate an inflation-adjusted return of 5% per year on their shareholdings and a 1% transfer fee through the mining process. It is also a hybrid cryptocurrency which benefits from Bitcoin's open source and transparency, but it uses more distributed cryptosystems called Stakes and Mining Rewards. This allows you to get more rewards from the desktop.
In the eyes of me, There is no doubt that all the cryptocurrencies above can make you gain the return in 2018.