The 2017 International Symposium - Public Key Infrastructure: Global Adoption and Emerging Trends was successfully held on 17 November 2017 in Bengaluru, India. This event was organized by Asia PKI Consortium and India PKI Forum. The symposium provided opportunity for leaders and specialists across the world to share experience and knowledge on digital signature and latest PKI implementation towards paperless movement, as well as secure authentications. The international symposium was well supported by Government of India and Certification Authorities from Bangladesh, Chinese Taipei, Hong Kong, India, Japan and Thailand, as well as experts from USA and South Asia.