It will be a good evolution in the trading or market industry. As of now the bitcoin wallet in our country has the capabilities to pay bills and buy a load. It is a legit way of paying such bills. But all transaction has to be made online. It would be wonderful if the day comes that even offline you can pay in Bitcoin.
Transactions are sometimes very slow, sometimes very fast. This should be fixed first to become a payment system. Otherwise, it's hard for bitcoin.