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Author

R. Achary

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Open access Oct 2026

Industrial Metaverse Urban Digital Twins: A Reference Architecture for Edge-Synchronized Smart-City Infrastructure

Smart-city infrastructure is increasingly operated through cyber–physical systems that combine embedded sensing, edge computing, communication networks, automation platforms, and digital-twin environments. The emerging industrial metaverse extends this paradigm by enabling immersive, real-time interaction with infrastr...

Harshavardhan Kosuri, R. Achary · 0 citations
Conference Aug 2026

Security and Privacy Challenges in Web 3.0: A Survey of Threats, Authentication Mechanisms, and Open Problems

Web 3.0 is a paradigm shift in the design of the Internet, from centralized platform custodians to decentralized blockchain-based infrastructures and user empowered data models. This results in a new and dynamic threat landscape including social engineering, smart-contract exploitation, cryptojacking, identity abuse an...

Adarsh S. V. Nair, R. Achary · 0 citations
Open access 2026

Adapting Ephemeral ECC Authentication for Decentralized Web 3.0: A Threat Model and Security Analysis

Web 3.0 shifts control of digital identity and data away from centralized platforms, moving authentication onto resource-constrained end-user devices, wallets, and smart contracts. RSA and ElGamal are computationally expensive at the key sizes required for adequate security, making them a poor match for this setting. T...

Adarsh S. V. Nair, R. Achary · 0 citations
Open access Aug 2026

PEUAP-W3: A Formally Verified Zero-Knowledge Authentication Protocol for Web 3.0 Unifying Conditional Biometric Binding, Threshold-Accountable Anonymity, and Self-Sovereign Identity

PEUAP-W3 is presented, a Privacy-Enhanced and User-centric Authentication Protocol that combines five established components into a single deployed and formally analyzed system and satisfies six properties against a nine-property framework.

Adarsh S. V. Nair, R. Achary · 0 citations

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