"Last year, I suspected that my private key was leaked. To confirm whether the address was really hacked, I transferred 500 bitcoins to that address. As a result, 490 bitcoins were indeed stolen by hackers."

"This story from Bitcoin big shot Chun Ge reminds me of a joke by Guo Degang:"

"Yu Qian was walking down the street and saw something on the ground, thinking to himself, 'Could this be 💩?' So he took a bite and happily said, 'It really is 💩, luckily I didn't step on it!'"