After Earning 10 Billion, The System Will Be Activated

Ye Cheng, who traded in coins in his previous life, lost everything in a liquidation. He was reborn in 2017 with infinite nostalgia for his wife and daughter, but he didn't expect to carry a system with him, but to activate the system, he had to earn 10 billion. So with the help of some memories from his previous life, Ye Cheng, without the knowledge of his wife, rushed into the currency speculation market again without hesitation with the 500,000 yuan he was about to buy a house.