Most of the cryptocurrency requires special hardware to mint, but Nobelcoin can be PoS mining in any devices which is online. Nobelcoin uses PoSS and it is energy saving compared to PoW coins.
Any time everyone through the mining block are helping to generate protect network security. Malicious attacks Nobel coin network users must control are involved in the vast majority of mining Nobel coins, even so, it will also damage his own investment. So in the Nobel coin, there will be no 51% attack.
Mining earned a daily block reward of 0.03% - 0.35%. You can get your block reward after 24hours if you use your coins to do block contribution.