EHRChain: A Blockchain-Based EHR System Using Attribute-Based and Homomorphic Cryptosystem 阅读笔记
ABlockchain-BasedEHRSystemUsingAttribute-BasedandHomomorphicCryptosystem{2021},{FengqiLi,KemengLiu,LupengZhang,SikaiHuang,andQiufanWu},{IEEETransactionsonServicesComputing