Altcoin mining
As we have discussed, various Altcoins have different algorithms; each of them has corrections and improvements to increase difficulty and avoid centralization. Currently, apart from Bitcoin mining, various other Altcoins are also mined regularly. Almost every mining pool right now supports Altcoins; some of the most popularly mined Altcoins as of June, 2018, are Ether, Litecoin, Zcash, Dash, Bitcoin Cash, Ethereum classic, and so on.
There are various discussions about mining profitability; due to the very high difficulty of Bitcoin mining, other alt currencies are becoming popular options for miners, as well as mining pools. Nowadays, ASIC miners are also coming up for Altcoins such as Litecoins, Cash, Ether, and so on.
Due to major GPU and resource requirements by Bitcoin and other SHA-256 based coins, this lot of CPU-friendly mining coins were created based on script.