Digital One has been tested on Ground X.

According to the Korean Herald, the Bank of Korea (Central Bank) and Ground X, the blockchain company of internet giant Kakao, began testing Korea's "Digital One" CBDC this month.

The pilot has two stages, in the first stage the main participants focus on the most important features of digital in December, and in the second stage more content (such as feelings of privacy) has been explored. June 2022.

The Korea Financial Corporation launched a competition for CBDC simulation research technology services in May to complete the CBDC simulation test and the first phase of the simple operation by December 2021. was selected as the bidder for the project CBDC driver.