8. Hedera Hashgraph
Hedera is a 3rd Generation Public Ledger.
The Hedera proof-of-stake public network, powered by hashgraph consensus, achieves the highest-grade of security possible (ABFT), with blazing fast transaction speeds and incredibly low bandwidth consumption. By combining high-throughput, low fees, and finality in seconds, Hedera leads the way for the future of public ledgers. 
Hedera 2 Year Anniversary