It can match millions of transactions per second and supports fast response rates in microseconds (μs. Simultaneous users can accommodate more than 100,000 people. The Korea Block Chain Association has passed the self-regulatory review, which has even considered security, and is equipped with financial institution-level security solutions. We have a coin wallet with encryption keys in it that is kept completely separate from the Internet network that serves as a hacker’s intrusion path, and a cool Wallet system that allows coin transmission only when self-developed time control technology and authentication values are verified.