Traders' life future isn't going to be too different than it's now: ups and downs, stress, keeping an eye on cryptocurrency regulations by governments.
However, the development of the AI can bring about certain changes, like more sophisticated trading bots, which might turn human trading into the battle of crypto bots, in which case the further developments become unpredictable.
Speaking of the "country's wealth," well... I don't see in what way a trader could be regarded as a country's wealth...