Dreams about fortune cookies often symbolize unexpected insights or revelations. Receiving a banknote in your dream could represent feelings of abundance, financial gain, or a desire for security. This dream might indicate that you're entering a phase of prosperity or that you have the potential to achieve your financial goals.

Alternatively, it could also suggest that you're seeking reassurance in your life regarding your financial situation or decisions. Consider reflecting on any current financial endeavors or choices you're facing. Are you feeling optimistic about your future? This dream can serve as encouragement to pursue those opportunities with confidence.