NEO NEO Coin is the leading cryptocurrency to come out of China and is tagged to rival EthereumEthereumEthereum is an open source, public, blockchain-based distributed computing platform and operating system featuring smart contract functionality. It supports a modified version of Nakamoto consensus via transaction-based state transitions.en.wikipedia.org – which at the time of writing is the cryptocurrency showing the most promise. Dubbed the Chinese Ethereum, NEO is a non-profit, open-source project and has plans to build a ‘smart economy’ across a distributed network.