How many banks actually use XRP?

I'm curious, could you elaborate on the extent of banks' adoption of XRP? It seems like a hot topic in the cryptosphere, but I'm still hazy on the specifics. Are there any notable financial institutions that have integrated XRP into their operations? Or is it still mostly limited to smaller, niche players? I'd really appreciate a breakdown of the current landscape, as it would help me understand the potential of this digital asset better.