Cryptocurrencies are known to exhibit extreme volatility. Their rates react sharply to all market movements, and it is not uncommon for the price to fluctuate in tens of percents over just a couple of hours. Even worse is that the price can easily be manipulated by traders who use this weakness to shape markets for their own benefit. This problem prevents almost all cryptocurrencies to be used for real-world transactions.
DUO is a stable cryptocurrency the price of which is correlated to the USD. It creates an opportunity to use the token for transactions and every-day financial operations rather than merely for trading!