Nexus (NXS) coin is available on a few exchanges, including Binance. You can purchase NXS for BTC. This coin can be staked or mined and serves as the core cryptocurrency of the decentralized Nexus network.
Ubiq (UBQ) is the mineable coin supported by the number of exchanges. Running the “Ethereum Virtual machine”, Ubiq provides developers with the tools to create smart contracts.
Ethereum is an innovation network providing its own blockchain with its cryptocurrency (Ether or ETH). This blockchain hosts decentralized applications (DApps) that were first introduced by Ethereum. Another innovation of this platform is the implementation of smart contracts which has changed the perception of the possible use of the blockchain, revealing the potential of the technology to its fullest.