What Do You Mean the System Will Be Activated After I Earn Enough Tens of Billions?

Yun Fan, who was a currency speculator in his previous life, lost everything in a sudden explosion and was reborn in 2017 with infinite attachment to his wife and daughter. But he didn't expect that he carried a system with him. If he wanted to activate the system, he had to earn tens of billions through the memory of his previous life. Without telling his wife, Yun Fan invested all the 500,000 down payment for the house purchase into virtual currency without hesitation.