There are many cryptocurrencies. The most prominent one is BitCoin. There are some good reasons for the popularity of all those cryptocurrencies. Let’s summarise them.
Most cryptos are free of any government management. After the last financial collapse, we saw the danger of government-controlled currencies. Next to this should we keep in mind that all fiat currencies are losing value slowly?
The fact that it is government free is exactly why governments will kill it.
There are other problems with cryptos. They are speculation. You can make money with speculation. But you can also do that in a casino. The question is if it is smart to do.
Then we come to the survival chance of all cryptos. A few will survive and work.