privacy coins like monero and aeon
I believe in Monero and I have been following a very supporter for this coin. They have made a farm somewhere which the country has a very cold weather so mining there is applicable. They just spent a lot for their rigs just to mine Monero because they solely believe that its going to be hugh one day. AFAIK, they are about to sell if it reached $1000 but we don't know when that exactly is going to happen. So they mine monero and just hold it.