Rui is a light wallet for RChain. You can import Ethereum Keystore, check REV balance and transfer REV with Rui.
RChain mainnet will be launched in 4th Feb, 2020.
RChain is a fundamentally new blockchain platform rooted in a formal model of concurrent and decentralized computation.
RChain has four properties: Completeness, Compositionality, Concurrency and Complexity.