Diamond (DMD) is a Proof-of-Stake coin focused on scarcity. Their marketing materials emphasize the limited circulation of the coin, and the benefits of the network's incentivized cloud mining system, which rewards users for contributing their computing resources.

Groestlcoin is a blockchain payment protocol with a number of technical innovations and an active developer community. Groestlcoin was the first coin that activated SegWit and supports the Lightning Network. Transaction fees are very low and it claims to have instant payments. It is also one of the only coins that can be sent over SMS.
Groestlcoin's active developer community has made the payment protocol very adaptable, and it a popular coin among many crypto investors. Groestlcoin has an ASIC resistant Proof-of-Work consensus mechanism.

MOL is developing a blockchain platform for micro-payments. MOL's architecture will be based on the block lattice design used in Nano, and will have a Delegated Proof-of-Stake (dPoS) consensus mechanism that incorporates elements from Directed Acyclic Graphs (DAG). The MOL network is currently powered by the Ethereum-based MOL token.