There are so many promising ICOs for 2018. They are
Harmony Protocol aims to scale blockchain to 10M transactions/second and 100-millisecond latency. Harmony will bring 1,000x speed and capacity to the next generation of the decentralized economy, enabling marketplaces for 10B people and 100B devices.
NEonexchange, NEX is a platform for complex decentralized cryptographic trade and payment service creation.
Usechain the World's First Mirror Identity Blockchain.