Mining is a great way to generate Cryptocurrency.

I think firstly miner must have to understand basic things as what type of power you have already as there are CPU and GPU power can be used for mining Cryptocurrency.
Now there are some scrypts which are used to run coin scrypts.

There are mainly SHA256, X-11, X-13 and  Ethash and few more.

scrypts used to mine specific cryptocurrecny.