I'd like to point out Peercoin, which has been running since 2012. It's a hybrid POS/POW currency. http://www.coindesk.com/how-peercoin-got-a-boost-from-bitco

I'd like to point out Peercoin, which has been running since 2012. It's a hybrid POS/POW currency. http://www.coindesk.com/how-peercoin-got-a-boost-from-bitcoins-halving/ http://www.coindesk.com/how-peercoin-got-a-boost-from-bitcoi...