The climate of technological innovation has presented the world with many solutions, but at the same time, many issues follow. This paper discusses several elements of the backbone network and data centers to encourage researchers to work on this subject and dig deeper into the economic impact,...

DeFi Security -- NFT Security -- DAO Security -- Crypto Asset Exchange Security -- CBDC Security -- Web3 and Ransomware Attacks -- Web3 and Supply Chain Risks -- Web3 and AI Security -- Web3 and Quantum Attacks -- Privacy-Preserving Computation and Web3 -- Summary and Future Trends.