What is a KSD-64 Crypto Ignition Key (CIK)?

Could you elaborate on the concept of a KSD-64 Crypto Ignition Key (CIK)? Specifically, what does it entail? How is it utilized in the cryptocurrency and finance industry? What are its main functions and why is it considered important? Furthermore, could you discuss the technical specifics of this key, such as its encryption capabilities and how it ensures secure transactions? Lastly, how does the KSD-64 CIK differ from other cryptographic keys in the market?