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.
A typical cup of coffee has 12 to 16 milligrams of caffeine per fluid ounce. The consensus from the latest studies is that moderate amounts of caffeine donât raise the risk of heart disease, high blood pressure, cancer, or other ills.