So before making your decision on what to mine , you should visit one of the mentioned websites. You also need to consider your dollar-per-day rate, as rates of say two dollars profit per day could take two years for you to pay off your hardware investment if you decide to sell right away and not hodl. Save my name, email, and website in this browser for the next time I comment. Plus, you can check the accurate statistics for today, yesterday, and tomorrow. Just change the wallet address and start mining. This upgrade was planned to improve speed, scalability, and capacity of the network.