I am not sure what you are discussing here. I am not a technically sound person. So I do not understand all of it. Some people told me Bitcoin is a Ponzi. But, my friends said no. H
Bitcoin is not a ponzi.
Cloud Mining website is a ponzi. Sorry for your loss. The money will stay here until the scammer decides to shut it down:
https://blockchain.info/address/1PvqyC2ibCZNKHRH3ZFkLfJfikCjk4jtsPWhat if you bought 20 TH? You now have to 20 TH. What is the problem?