What is Intercontinental Exchange (ICE)?

Could you elaborate on the role and significance of Intercontinental Exchange, commonly referred to as ICE? I'm particularly interested in understanding its place in the global financial and cryptocurrency landscape. How did it come to prominence, and what are some of the key services and products it offers? Also, what are the implications of ICE's involvement in the crypto space, and how might it potentially shape the future of digital currencies? Your insights would be greatly appreciated.