To enable public administrations, companies and citizens to freely interact while retaining their formal relationships of liability, there needs to be a progressive development in the use of "digital trust" services.For trust to be established, both parties must be linked via a secure, unbroken chain. The capacity to demonstrate that you are who you say you are (authentication) is a strategic imperative. An additional step is identity. Identity is in essence the link that connects an individual and the community. Protecting identities against fraud or theft is key to maintaining confidence. The greatest challenge is ensuring that a digital identity matches a real identity, i.e. ensuring that it is authentic and unique.This white paper is provided by Gemalto.