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.
One approach to the serving temperature of coffee could go like this: For your regular cup of coffee, go for 175ÂºF, but if you buy some really good coffee beans and want to really taste the coffee and discover all of its flavor notes and qualities, serve it at 150ÂºF or lower.