What does the white dove mean in net language?

There is a word in Shanghai dialect called "putting white doves", which originally means setting traps to cheat, and refers to collusion between men and women to seduce rich people to cheat. Just like a well-trained dove, she flies back to her host's house as soon as she gets the benefits. The word comes from pigeon ticket. Today, in Shanghai dialect, "releasing white pigeons" is also called "releasing pigeons", which is a metaphor for cheaters and dishonesty.

[Pigeon Ticket-Old Shanghai Lottery]

It is popular to buy tickets for oriental white pigeons outside Shanghai, each ticket costs one yuan to attract the poor. Shanghai Daotu Zongying first sent a note to the consuls of various countries, asking them to investigate. And show that this is strictly forbidden. If you dare to buy this ticket again, once you get it or the defendant issues it, you can do it again. Someone tore up the notice and it was confiscated. Cangue in the old north gate, limited to March.

According to the notes of the Qing Dynasty, the "white dove ticket", also known as the "white dove sign", was a popular lottery ticket in Wenzhou, Zhejiang Province during Jiaqing period. The banker randomly selects 20 words from the first 20 sentences of China's Enlightenment Book (4 words in each sentence, 80 words in total), and the gambler guesses 20 "mysteries" from the 80 words. 20 words from 80 words, in which 10 should be the same as "answer". This chance or probability is extremely small. Of course, the winner must be the banker. The "white dove", that is, the dove of peace, has a strong ability to tell the direction. This kind of lottery ticket is like a pigeon raised by its owner. It is returned to the dealer as soon as it is sold, so it is called "pigeon ticket".