Ok, what about SIA coin? Why the hashrates higher too?
Earlier it happened on DwarfPool. I'll find my old post.
adaseb is correct, someone just pointed to lower epoch coin from nicehash... sia is probably higher from reduced memory usage
Waiting for that dwarfpool pic then

YOU ARE MINING A LOWER EPOCH ETHEREUM CLONE COIN--
Mining with a 280X on Expanse (EXP) will generate 24-25MH/s per card the last time I checked. The EXP coin was at Epoch 13 when I mined it; Ethereum (ETH) is at Epoch 83, has a larger DAG, and a higher network difficulty. NiceHash does not mine pure ETH, it is a rental service, and your rig can be pointed at any coin that uses the Dagger-Hashimoto algorithm. --scryptr