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With the advent of the intellectual information era, the world is undergoing significant change (Shakeel et al., 2020). High-end user experience is expected in key human-related domains like healthcare, transportation, entertainment, and smart cities (Amudha et al., 2018).A completely integrated globe with land-based wireless and mobile communications inclusion will be provided by the networks of the sixth generation (6G) (Manogaran et al., 2021). According to the design concept, artificial intelligence (AI) will promote intelligent and agile network service development in 6G networks (Kumar et al., 2021). Due to the handling of massive data that smart services inevitably involve, the information may be vulnerable to messing or pollutants by attackers (Manogaran et al., 2021).When compared with CEC and SIoT, the advantages and limitations of energy-efficient techniques are that environmental concerns are the most prominent drawback of energy-efficient construction. Even though it's good for the environment because it emits less carbon dioxide, it's slightly harmful to human health. Carbon emission and other contaminants can be reduced and water consumption reduced by increasing efficiency. To put it simply, improving energy efficiency will lower utility bills for individuals, generate jobs, and stabilize electricity costs and variability.
Now that 5G wireless networks are being deployed worldwide, research into 6G wireless communications has begun (Do et al.2020). Several heterogeneous systems and infrastructures can be accommodated on 6G networks with improved security and efficiency over various resources, such as spectral range, computing, and storage (Amudha et al., 2021). e.g., A percentage of confidence issues that are frequently overlooked in network designs stand in the way of accomplishing that goal. The main advantages of Blockchain technology compared with CEC and SIoT include decentralized networks, transparency, and a trusty chain. The main drawbacks of the blockchain, on the other hand, are its high energy consumption, difficult integration, and high implementation costs.