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.
LikeCoin is a protocol for content attribution, monetization and distribution. LikeCoin chain is a Bonded Proof of Stake blockchain developed on top of Cosmos SDK. As a permissionless protocol, 800+ media chose to adopt LikeCoin with her WordPress plugin. LikeCoin also provides an easy-to-use mobile app, Liker Land, for layman users to read content, reward creators, transfer LikeCoin and delegate to validators.