still here does people still mine this coin and how Believe me there are more then ever miners and investors in MASS right. See its bull run in recent week, it jumped from 0.3$ to 1.8$ and now trading around 1$. See details here https://coinmarketcap.com/currencies/massnet/
How to mine MASS, see details here https://docs.massnet.org/en/getting-started/how-to-run-a-mainnet-wallet-node/