Red ball number duplication refers to the betting that more than 7 numbers (including 7) are selected from the red ball number and 1 number is selected from the blue ball number to form a multi-betting single betting number. Blue ball number duplication refers to the selection of six numbers from the red ball number and two or more numbers from the blue ball number to form a bet with multiple bets and single bets.

Two-color ball is a game of China Welfare Lottery. China welfare lottery "two-color ball" is a kind of "lottery-type" welfare lottery which is uniformly organized and distributed by China Welfare Lottery Distribution Management Center and sold nationwide.

Precautions:

(1) online shopping fraud.

Criminals set up fake shopping websites or Taobao shops, and once the victims place an order to buy goods, they say that the system failure needs to be reactivated. Subsequently, send a false activation URL through QQ to implement fraud.

(2) Cheating in low-priced shopping.

Criminals post transfer information such as used cars, confiscated goods in used computers, customs and so on through the Internet and short messages. Once the victim contacts, they cheat money by means of "down payment" and "transaction tax handling fee".