What is the vignette on the back of the 100.00 note?

The vignette on the back of the U.S. $100 note features a depiction of Independence Hall in Philadelphia, Pennsylvania. This iconic building symbolizes American independence and democracy, as it was the site where the Declaration of Independence and the U.S. Constitution were debated and adopted. Additionally, the back of the note includes intricate security features and design elements, including a large, stylized blue ribbon.