What are the reasons, why people use Cash or Credit Cards / ATM / Banks?
* Work offline 100%
* No fees.
* Accepted for Food Shopping & Micropayments
* 0 confermations time
* 0 exchange risks
* anyone is able to understanding of the value of payment
It is true that there is no fee by doing transactions with cash. It is the reason why many people are not using bitcoins because ofnhigh transaction fees. Even bitcoin has high transaction fees, there are still a lot of uses that bitcoin can do and can't do.