Purpose
“In cryptocurrency networks, mining is a validation of transactions. For this effort, successful miners obtain new cryptocurrency as a reward. The reward decreases transaction fees by creating a complementary incentive to contribute to the processing power of the network” [[2]].
References
[1] Wikipedia: “Cryptocurrency” [online]. Available: https://en.wikipedia.org/wiki/Cryptocurrency#Mining. Date accessed: 2020‑10‑21.