earn coins from mine?
Nuls are some type Token cryptocurrency were made by smartcontract, so you would not able to mining. but if you would to take and like have interested for Nuls project. you can go to markets then you can get the tokens. then i can't see some airdrop or bounty for this currently. so no more way than you buy at markets.
Nuls runs with tiered master nodes.
2k Nuls for staking
20k Nuls for pooling for a masternode
200k Nuls for running the consensus master node
So basically 2k Nuls gives you staking which can be profitable knowing the Nuls could trade > $60 easily when the main net is up and side chains are plugged into the blockchain.
Team is currently working on partnerships as well so this will grow into a major player in this space no doubt