asic still works on bitcoin ,but you need many 
beware of asgard mining company, they eat your bitcoins. i now

i was the one how bought the asgardminer from ebay, They canseld the order and told mee they only sell this miners from the new webbshop. i still waiting for the miner . bought one 27 of june.  still waiting and no confirmation on the order.
Has any one bought any miners from asgard or is it only mee how is stupid to buy from asssgard ??