Bitcoin Miners Power Back Above 1 Zettahash - But Profits Hover Near Historic Lows

Bitcoin miners are back to business as usual after last months Arctic blast iced operations across the U.S., and the networks hashrate has clawed its way back above the 1 zettahash per second (ZH/s) mark. Even so, mining revenue is painfully lean to start March at under $30 per petahash per second (PH/s), and difficulty []