Implementing a sidechain-based asynchronous DPKI

摘要

1 Introduction Public key infrastructure(PKI)is an integral part of the network communication system.Relying on the certificate authority,it provides security policies for the systems,which enables users to communicate or conduct e-commerce transactions in a trustworthy relationship.Centralized PKI(CPKI)has been providing the netizens with security services and maintaining the privacy for decades.