These fees, while today representing a few hundred dollars per block, could potentially rise to many thousands of dollars or more per block as the number of transactions on the blockchain grows and as the price of a bitcoin rises. How Does Bitcoin Mining Work? What is the point of Bitcoin mining? The difficulty level of the most recent block at the time of writing is more than 13 trillion. By joining with other miners in a group, a pool allows miners to find blocks more frequently. Other Cryptocurrencies.