Mining. 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.
It matters because the actual coffee flavor is extracted from grind better at higher temperatures. I'm not a scientist but I trust those that have done the research and they say that the optimal temperature for hot water in a coffee pot is between 195-200 degrees or just a little under boiling.
In Hill's case, the suit claims that McDonald's coffee is still too hot, or extremely hot in the extreme, as the suit puts it. Hill was in the drive thru at the McDonald's at Northwest 19th Avenue and Burnside Street last March 15 when she'd ordered a large coffee.