Key Management Service (KMS) refers to a system that manages cryptographic keys used for securing digital assets. It plays a crucial role in the overall security of blockchain systems and cryptocurrency transactions.KMS helps in generating, storing, and managing private keys securely. These private keys are essential for accessing and controlling a wallet, making transactions, and signing messages. A robust KMS ensures that these keys are protected against unauthorized access, loss, or theft.Many KMS solutions utilize techniques such as encryption and access controls to safeguard keys. They can also provide features like key rotation, which involves changing keys regularly to enhance security. Businesses and individuals use KMS to ensure that their digital assets remain secure while also maintaining compliance with regulations. By utilizing a KMS, users can focus on their activities without worrying about the risks associated with key management.