Nacencomm Card Technology Joint Stock Company (CA2) - Nacencomm smartcard technology JSC was born in 1996. Head office is at 02 Chua Boc - Hanoi. The beginning was the Center for Technology Application - Nacencomm under the Ministry of Science and Technology. Experiencing many stages in the history of solution research, deployment, and development of PKI smart card technology and digital signature system. Over 24 years of development, with more than 140,000 corporate customers, Nacencomm is currently evaluated. is one of the leading enterprises in building and deploying application software solutions, contributing to the development of information and communication technology of the country. The brand "CA2 - The most popular software" is increasingly close and familiar to all businesses and state agencies across 63 provinces and cities.