Why it is impossible to profitably mine bitcoin (BTC) with GPUs — but still quite profitable to mine litecoins (LTC)

I recently had a conversation in which someone asked me to help build them a bitcoin mining machine.  I explained that looking at the mining configuration hash rates, they should not bother unless they had access to a new ASIC … Continue reading Why it is impossible to profitably mine bitcoin (BTC) with GPUs — but still quite profitable to mine litecoins (LTC)