Nice warnings, scammers are everywhere, so people must use brain before sending any BTC or cash to someone.
What do you mean backed by something? When you finally default on paying national depts, what will my savings in this government backed currency be worth
And government backed by what ? A trust ? 
“Virtual currencies are not backed by any government or central bank, and at this point consumers are stepping into the Wild West when they engage in the market.”
What do you mean backed by something? When you finally default on paying national depts, what will my savings in this government backed currency be worth
And government backed by what ? A trust ?