Srinivas, P.M., Sudeepa, K.B. and Prabhu, A.G. 2026. Advanced Cryptographic Architecture for Blockchain Security: A Multi-Tiered Defense Framework Against Quantum and Contemporary Threats. Engineering, Technology & Applied Science Research. 16, 2 (Apr. 2026), 34667–34675. DOI:https://doi.org/10.48084/etasr.17591.