Hashing 24 is an obvious hype project that is just waiting for the moment to take your money and cancel contracts. The service fee often turns out to be higher than the income from mining. You buy a contract and watch it incur losses, and to avoid losing it, you have to pay again. So first you pay for the power, and then to keep the contract from being terminated! Very creative, don’t you think? And also, on their calculator, it’s almost impossible to accurately calculate the real profitability; instead, it will likely show you actual losses.
