and several panel members suggested the United States government may try to implement its own fiat cryptocurrency – a USD coin.
Technically possible, but
Bitcoin = decentralized, international, consensus currency
USD = centralized, national, fiat currency
It's like integrating freedom of speech into a dictatorship. There will be not much left of the original idea.
On the other hand, with the USDCoin we don't need banks anymore to convert USDCoins into Bitcoins and vice versa, just send your USDCoins to the exchange and receive Bitcoins. You can do it even step by step in small amounts to reduce the risks.
