You cant say one thing is better than another, cause everything have its own advantages and disadvantages right ? We still need both of them though.
Exactly, People tend to create something out of the latest technology to cope up with the current insufficiency, we can tell the big advantages of the new generation but we cannot deny the fact that they are still usable and mandatory in some cases, adoption with the current bitcoin is not ideal compared to the great usages of fiat though they both possess some cons and pros, it is still premature and too early to conclude it will replace the wide enactment of the present currency.