AT&T, Sprint, T-Mobile and Verizon unveil next-generation mobile authentication platform details — AT&T — “This highly secure solution will deliver a cryptographically verified phone number and profile data for users of authorized applications with their consent. Authentication security is strengthened by processing unique attributes such as a network verified mobile number, IP address, SIM card attributes, phone number tenure, phone account type and more. In addition, advanced analytics and machine learning capabilities will be used to help assess risk and protect customers. Registered developers will be able to submit applications through a system using private and permissioned blockchain technology to help ensure application integrity.”