MyDigital ID is an identity management and transaction signing platform. Contemporary implementations are often vulnerable, arising from various factors e.g. hostile applications on device, insecure communication channels and server-side storage of user credentials/keys i.e. roaming certificates. MyDigital ID is designed with the objectives to address these vulnerabilities. MyDigital ID offers the following: • Strong security characteristic with a stringent 3-pass authentication mechanism for every transaction. • A convenient and secure way for third party applications to use the digital identity of mobile device users for authentication and digital signing. • Open ecosystem with systematic establishment of trustworthiness by users and mobile service providers MyDigital ID app does not provide any digital ID. It requires 3rd party application to integrate with it.