what is blockchain and how does it work, Knowledge graph

Jia Cang Shuang Chuang 50ETF2022:-84,963.5 yuanThis year's profit:-18,066.45 yuan

2020:+34,277.8 yuan2022:-84,963.5 yuan2021:+23,432.42 yuan

January:-13,296.2 yuan2020:+34,277.8 yuanNovember: 10,204.78 yuan