MB-EHR: A Multilayer Blockchain-based EHR. - Huanyu Wu; Lunjie Li; Hye-young Paik; Salil S. Kanhere (IEEE ICBC, 2021)

MEChain: A Multi-layer Blockchain Structure with Hierarchical Consensus for Secure EHR System. - Huanyu Wu; Lunjie Li; Hye-Young Paik; Salil S. Kanhere (TrustCom, 2021)