What is the Gatsby secrets?

Jay Gatsby's secrets revolve around his mysterious past and the source of his wealth. Although he appears as a wealthy and glamorous figure in West Egg, Gatsby has carefully constructed his identity to win back Daisy Buchanan, the woman he loved before the war. His wealth is newly acquired, and he throws lavish parties hoping Daisy will attend. Ultimately, Gatsby's dream is to recreate an idealized past with Daisy, but this obsession and his hidden background lead to tragic consequences. The full truth about his origins and how he made his fortune is shrouded in mystery and suspicion throughout the story.