Advantages of Cryptocurrency:
2. Quick and easy payments Making payments using cryptocurrency is very easy. You can do it in just a matter of a few seconds. It is very fast because you dont require to feed many details, you dont even need to enter your credit/debit card details. All you need is the address of the wallet of the person or enterprise to whom you wish to make the payment too. The amount shall credit to the receiver within few seconds to a few minutes depending on the crypto. The ease of transfer and the low transaction fees makes it very desirable.
I'm not pretty assure with this sometimes bitcoin delayed transaction you need to generate before you have it, i think you will not wait for a second maybe an hour, but over all your statement are true and exactly correct. Maybe this crytocurrency were long last in service with us and partner in our daily lives.
The most worst if bitcoin used by abusing by doing crimes and illegal activities that's the hardest part of disadvantage of bitcoin and i hope it could not happen.
So far, any decentralized altcoin has the potential of being exploited by criminals. Unfortunately, we do not have the means to regulate them.