NKCL is a personalized immune-care platform using NK cells. NKCL can be used as a payment method in various platforms such as hospitals, anti-cancer centers, shopping malls, etc. It stores medical data such as NKCL history and clinical results in a private blockchain and operates a medical big data trading platform. Users can receive token compensation by providing their own medical data, and various medical institutions and pharmaceutical companies can utilize the medical data to contribute to medical development.

NKCL configures blockchain as a double chain. Payment made using tokens is implemented on the Public Blockchain, where anyone can freely inquire about transactions, enabling transparent settlement. Medical data such as NKCL treatment history and clinical results can be recorded on Private Blockchain, which is available to only qualified participants who have undergone separate certifications, and thus can be stored, viewed, and distributed more safely and quickly.