Returning to mining, what are my options?

I used to mine bitcoin back in 2014 and I quit by the time spring of 2015 hit because my equipment was no longer profitable. I had opted to just buy bitcoin instead of mine so I left mining altogether. Now that the price has gone through the roof I was thinking of returning. Is there a way I can upgrade my Antminer S2 to modern equipment or is it just trash now? I know bitmain offered upgrade kits several years ago..

Submitted July 07, 2017 at 08:48AM by mocolicious
via reddit http://bit.ly/2tSqudz

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