According to the statistics of the DefiLlama website hacking incident, the theft of over 1.40 billion US dollars of assets by Bybit is the largest security incident in the history of cryptocurrency, accounting for about 15% of all security incidents in the history of cryptocurrency. The panel data shows that the cumulative amount stolen in the history of cryptocurrency exceeds 10.62 billion US dollars, of which DeFi-related stolen assets are as high as 6.31 billion US dollars, and various bridge projects are as high as 2.87 billion US dollars.