The reward for mining an Ethereum Classic block about 24 hours ago was ETC 0.0186484, or $0.698, but a check in the past hour found that’s tumbled a full 98% to just ETC 0.00030658, or $0.111, according to data from Minerstat. Similarly, RVN miners could earn RVN 30.28478584, or $1.77 per block 24 hours ago, and in the past hour that’s dropped to just RVN 0.82968431, or $0.048.