for now children can be younger to understand about new things including this cryptocurrency. Moreover, this is one of the products of the digital era where children usually find it easier to understand how it works and also to be interested in new things. more if it is related to money usually they can also learn more easily. so maybe they don't have much difficulty learning from scratch regarding this cryptocurrency.

 but the problem is not their knowledge of how they understand cryptocurrency, but how mentally and emotionally prepared they are for cryptocurrency. because cryptocurrency is a complex thing that has a high risk. So if they can't properly manage their emotions, then this will be very risky, even though they already understand. so we as parents must at least continue to monitor if they are interested in cryptocurrency