You need privacy and security for crypto currencies. Making them instant and at little or no cost helps too! 
There are lots of current technologies which also require these things too - privacy, security, speed, low cost. From the non-consumer perspective, all of these are critical for delivering what consumers then use without thought. However, these problems are very real and currently have different solutions to achieve it.
Updating both infrastructure and the services which run on it, is key for safe net. Arguably, if it meets all expectations, the very concept of needing infrastructure and services will shift.