At the request of the Office of the Director of National Intelligence, this report identifies potential scenarios that would describe the balance between encryption and decryption over the next 10 to 20 years and assesses the national security and intelligence implications of each scenario. For each of these scenarios, Cryptography and the Intelligence Community identifies risks, opportunities, and actions. Attention to the findings should enable the Intelligence Community to prepare for the future and to recognize emerging trends and developments and respond appropriately.