Hello,
Here are two big competitors for 2018.
NEO"Known as Antshares, NEO is a recent iteration on Ethereum’s smart contracts. NEO uses a unique blockchain algorithm that improves upon Ethereum’s model. While the basics still apply, it also supports decentralized commerce, identification and digitization of several assets. NEO also closes loopholes that have caused some Ether contracts to be vulnerable to hackers."
Read more: Why China's New Ethereum "NEO" is the Next Big Thing | Investopedia
https://www.investopedia.com/news/china-new-ethereum-neo/Best source of information stays :
https://neo.orgOmiseGO (OMG)"Built on the Ethereum platform, OmiseGO’s vision is to become the number one, peer-to-peer cryptocurrency exchange platform. OmiseGO is much more than an altcoin. It’s designed to be a financial platform, with the intent of disrupting current financial institutions and methodologies. It’s all built on top of Ethereum, one of the most popular decentralized application platforms on the market today."
Source :
https://www.finder.com.au/omisegoOMG is also known for having REAL advisor like Vitalik Buterin (Ethereum founder) and Joseph Poon (Lightning Network). Both working on last "Plasma: Scalable Autonomous Smart Contracts" and OMG could be the first serious project to use it at it full potential.
What do you think about it ?? Best ROI for 2018 or not ?