What app does ice use?

I'm just curious, could you possibly tell me what application does Ice utilize? I've heard rumors about a specific app that he seems to favor, but I'm not entirely sure which one it is. Is there a particular platform or service he prefers for his cryptocurrency transactions or financial dealings? I'd appreciate it if you could shed some light on this matter. After all, understanding the tools and services experts like Ice use can be quite educational and insightful for those interested in the cryptocurrency and finance world.