Mindexcoin is developing a universal payment platform powered by the Ethereum based token, MIC. Their marketing materials do not clearly outline any unique selling points, or advantages, that it will provide compared to other blokchain-based payment platforms.

Nano, formerly known as Railblocks, is a cryptocurrency that is focused on enabling fast transactions with no fees. Nano's innovative blockchain architecture utilizes a block lattice structure that does not need miners to confirm transactions.
Nano uses a Delegated Proof-of-Stake consensus.

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Aurora is developing a blockchain platform that is based on a hybrid dPoS and BFT consensus mechanism. Aurora aims to improve overall blockchain performance with better transaction speeds and security features. Aurora has a multi-chain architecture and an Intelligent App Isolation system that are designed to allow for better smart contract execution. The network is currently powered by the Ethereum-based AOA token.