Radium is a Proof-of-Stake cryptocurrency that serves as the base blockchain for SmartChain Core which expands the utility of Radium far beyond that of a standard coin, with features such as identity-address linkage, proof-of-existence, file checksum verification and validation, and decentralized elections and voting. All of these features exist in a 100% distributed data-layer within the Radium blockchain.
Zelcash is a cryptocurrency that holds a central role in the Zel Ecosystem. It gives the incentive for ZelNode ownership to enable the creation of ZelDex and the ZelDev Platform, enabling us to create a truly decentralized development platform.