is their any way to mine zcash ( zec ) with antminer u3 , i know their is ASIC resistant , if we used proxy , is it a solution to mine zcash with antminer u3
briefly , i want to mine zcash with antminer u3
Yes un mine BTC with u3 and then u buy ZEC 
No you can’t. Your miner is not compatible with Equihash POW.