I am trying to store some of my bitcoin in fiat $ form but afraid to keep them under perfectmoney or similar processor. Do you guys know any altcoin that have backed up by fiat so market rate always remain same. I have heard about nubits but does you guys have any experience storing in nubits form?
Only one, I know of is
http://coinmarketcap.com/assets/tether/#markets .
1 Tether = 1 US$
But to be honest, I convert it directly to Fiat using coinbase, instead of another crypto.
But the country you are in may limit your options.