What is cloud SIM technology?

Excuse me, could you please elaborate on the concept of cloud SIM technology? I'm quite intrigued by the idea of how it functions and how it differs from traditional SIM cards. Does it have any significant advantages or disadvantages? Furthermore, how does it fit into the broader landscape of cryptocurrency and finance? Could you provide some real-world examples or scenarios where cloud SIM technology is being utilized? I'm eager to learn more about this emerging technology and its potential implications.