An elegant black and gold crypto-themed promotional banner, featuring a luxurious, minimalist design with shimmering gold elements on a dark background. The headline text is large and bold: “POST ON TRADFI WIN YOUR PRIZE” in a modern sans-serif font, with “POST ON TRADFI” in gold and “WIN PRIZE” in white. The top left corner features a stylized crypto exchange logo. On the right side, a shimmering circular centerpiece features financial icons (e.g., Tesla, Apple, Amazon) connected by ascending line graphs, all in a gold neon style. Subtle gradient lighting, a futuristic fintech aesthetic, high contrast, premium branding, a clean layout, and a digital marketing poster style.

Optional adjustments depending on the tool used:

Add: “4K resolution, ultra-sharp, professional ad design”

For Midjourney:

--ar 16:9 --v 6 --style raw

For a brighter lighting effect:

“Cinematic lighting, soft glow, gold neon reflections”