You answered the question yourself below but you cannot peg a currency to another if you don't have the reserves, less with cryptocurrencies where you don't have a central bank who can rescue you. This is economy 101 not an opinion. Fractional reserves can work in fiat currencies but not in the cryptocurrency world. For more information you can check research about this topic: https://scholar.google.com.ar/scholar?hl=en&as_sdt=0%2C5&q=c...