IMET (Instant Message Every Thing, Evolution Chain) is a vertical public blockchain focused on the instant messaging sector. It primarily leverages blockchain technology to address issues in the communications field such as privacy and security, data sovereignty, and user incentives, improving production relationships and enhancing industry value. IMET adopts the PoD (Proof of Data) consensus mechanism, which is suitable for the communication domain in the 5G era. The main advantage of this mechanism lies in its stability in value. Technically, IMET employs comprehensive solutions including private key storage matrices and Mesh networks, enabling phased realization of everything communication within the blockchain world. IMET boasts a wide range of applications, including encrypted messaging, off-the-grid communications, and smart home environments.