Deep Tide TechFlow News. On April 16, according to official information, AI-native infrastructure and programmable IP blockchain Story announced the launch of the Confidential Data Rails (CDR) testnet. This is a universal secure data transmission architecture designed to enable the secure flow and compliant use of sensitive data in AI and general scenarios, on the premise that the data remains encrypted at all times and stays within its domain. CDR supports end-to-end encryption throughout, preset access permissions, and offers secure sharing capabilities for API keys and integration credentials.