NavCoin is a community-driven digital currency built on an open-source,Proof-of-Stake (PoS) blockchain. The project has an active development community, and places a strong emphasis on their user governance. NavCoin is developing a feature for its PoS consensus mechanism that will allow for cold staking. Users will be able to stake their coins while keeping them offline.

Bitcoiin is a cryptocurrency that was created to address some of the issues that have plagued the original Bitcoin ecosystem. It's Proof-of-Work (PoW) consensus mechanism is designed to decrease transactions times and fees, as well as make mining rewards easier to earn.

Sharechain is developing a Proof-of-Work cryptocurrency platform. Their network is currently fueled by the Ethereum-based SSS token. Their marketing materials are unclear and do not offer any information about its advantages.