Bram Cohen just announced Chia, which is a solution based on proofs of space. Good summary here: https://techcrunch.com/2017/11/08/chia-network-cryptocurrency/

Bram Cohen just announced Chia, which is a solution based on proofs of space. Good summary here: https://techcrunch.com/2017/11/08/chia-network-cryptocurrency/ https://techcrunch.com/2017/11/08/chia-network-cryptocurrenc...