14 Nov 2017 Putting it simply, your mining rig needs to solve a mathematical algorithm to mine Ethereum. The mining difficulty of the network is a measurement of how difficult this algorithm is to solve. The higher the difficulty, the less Ethereum you receive for each unit of energy the GPU on your mining rig expends.
10 Nov 2017 Ethereum Block Difficulty Growth Chart Byzantium. A number of other readers over on ycombinator also mentioned that mining Ethereum can actually be considered two distinct acts: Mining Ethereum to sell and be profitable as a miner, which depends heavily on circumstance of cost and market price of
29 Jun 2017 As the DAG file size increases, so too does the difficulty. A new DAG is generated for each epoch around every 30,000 blocks and right now it is estimated that this will happen every 4 days or so. For example, at the start of the month Ethereum was at DAG epoch #126 and now we're already over #130 and