Blockchain Technology and Application: Second CCF China Blockchain Conference, CBCC 2019, Chengdu, China, October 11–13, 2019, Revised Selected Papers ... Computer and Information Science Book 1176)

This book constitutes the refereed proceedings of the Second CCF China Blockchain Conference, CBCC 2019, held in Chengdu, China, in October 2019. The 16 revised full papers presented were carefully reviewed and selected from 112 submissions. The papers deal with research results and development activities in all aspects of blockchain science and technology. Preface Organization Contents OBBC: A Blockchain-Based Data Sharing Scheme for Open Banking Abstract 1 Introduction 2 Preliminaries 2.1 Blockchain 2.2 Open Banking 2.3 System Overview 3 Open API Consensus Mechanism 3.1 Open API Threat Type 3.2 Basic Concepts 3.3 Open API Block Consensus 4 Data Privacy Protection 5 Results and Evaluation 5.1 System Prototype 5.2 Security Analysis 5.3 Experimental Verification 5.4 Comparisons and Analysis 6 Conclusion and Prospect Acknowledgments References FutureOTC: An Intelligent Decentralized OTC Option Trading and E-contract Signing System Abstract 1 Introduction 2 Motivation 3 Related Works 4 System Design Overview 4.1 Business Process 4.2 System Architecture 4.3 Hyperchain Consensus 5 The Specific Program 5.1 Authentication 5.2 Transaction Procedure 5.3 E-contract Management 5.4 Smart Contracts 5.5 Data Structure and Storage 6 Experiment and Evaluation 7 Conclusion and Future Work References One-Stop Efficient PKI Authentication Service Model Based on Blockchain Abstract 1 Introduction 2 Related Work 3 Preliminary Knowledge 3.1 Cryptographic Accumulator 3.2 Complexity Assumption 4 System Model 4.1 Threat Model 4.2 Security Model 5 Specific Construction 6 Security Analysis 7 Analysis and Comparison 7.1 Efficiency Analysis 7.2 Scheme Comparison 8 Conclusion Acknowledgment References Distributed Electronic Data Storage and Proof System Based on Blockchain 1 Introduction 2 Related Work 3 Technology Architecture 3.1 Blockchain Technology 3.2 Reed-Solomon Code 3.3 Improved RFM Model 3.4 Multi-target Node Decision Model 4 System Design 4.1 System Upload Function 4.2 System Data Preservation Function 4.3 System Data Query Function 4.4 System Data Download Function 4.5 System Data Comparison Function 4.6 System Data Authorization Function 4.7 The Distributed Storage Architecture Diagram of File Fragmentation 5 System Function Test and Evaluation 5.1 The Analysis of System File Upload Performance 5.2 The Balance Test of File Distribution Strategy 6 Conclusion References Bye Audit! A Novel Blockchain-Based Automated Data Processing Scheme for Bank Audit Confirmation Abstract 1 Introduction 2 Background 2.1 Blockchain 2.2 Blockchain Applications in Auditing 2.3 Current Solution 3 Blockchain-Based Bank Confirmation Process Platform 3.1 Overview of Our Approach 3.2 Authorization Process 3.3 Acquisition Process 3.4 The Interface Layer 4 Executing the Blockchain-Based Bank Confirmation Process 4.1 The Auditor, Bank, and Auditee Registers to Obtain the Private Keys 4.2 The Auditor Submits Inquiries and Obtain the Authentication 4.3 Auditee Node Authorization 4.4 Bank Node Authorization 4.5 The Auditor Obtains the Requested Auditee Information 4.6 The Retrieved Information Is Returned to the Auditor and a Fixed Format Letter Is Automatically Generated 4.7 Deprivation off Audit Permission 5 Evaluation 5.1 Latency 5.2 Storage Efficiency 5.3 Anti-fraud 6 Conclusion References A New Approach to Prevent Reentrant Attack in Solidity Smart Contracts Abstract 1 Introduction 2 Related Work 3 Solidity Smart Contract Against Reentrant Attack 3.1 Design of Solidity Smart Contract Against Reentrant Attack 3.2 Realization of Solidity Smart Contract Against Reentrant Attack 4 Experiments and Comparative Analysis 4.1 Experimental Environment 4.2 Experimental Process 4.3 Experimental Analysis 5 Conclusion Acknowledgements References CoT: A Secure Consensus of Trust with Delegation Mechanism in Blockchains Abstract 1 Introduction 2 Network Model of CoT 3 The Process of CoT 3.1 Quantify the Trust Relationship 3.2 Generate Credit Graph and Credit Matrix 3.3 Compute the Credit Value 3.4 Block Generation Protocol 4 Proof and Analysis 4.1 Effectiveness of Credit Mechanism 4.2 Consistency of Data 4.3 Security and Fault Tolerance 4.4 Performance Analysis 5 Conclusion Acknowledgement References A Uniform Payment System for Hyperledger Fabric Blockchain 1 Introduction 2 The Uniform Payment System 2.1 The Secure Token-Minting Function 2.2 The Token Transferring Function 2.3 Conditional Payment and Its Application 2.4 Security Analysis 3 The Design of Digital Assets 4 Conclusion References Identity-Based Cross-Domain Authentication by Blockchain via PKI Environment Abstract 1 Introduction 2 Related Work 3 Technical Background 3.1 Identity-Based Cryptography 3.2 Hierarchical PKI Authentication System 3.3 Blockchain Technology 3.3.1 Blockchain Structure 3.3.2 Blockchain Characteristics 4 Cross-Domains Authentication Scheme 4.1 Authentication Overall Architecture 4.2 Cross-Domains PKI Authentication Model 4.3 Blockchain Certification 5 Cross-Domains Authentication Protocol 5.1 Identity-Based Signature Scheme 5.2 Cross-Domains Authentication Protocol 6 Security Analysis 7 Performance Analysis 8 Conclusion Acknowledgments References Blockchain-Based Content Name Search Mechanism in NDN Abstract 1 Introduction 2 Background 3 Blockchain-Based Content Name Search Mechanism 3.1 Application Scenario 3.2 Architectural Design 3.3 Publish-Subscribe Mechanism 3.4 Content Cache Address Update Mechanism 3.5 Content Name Search Algorithm 4 Modeling and Analysis 5 Cost Assessment and Experiment 6 Future Work and Summary Acknowledgments References Dizar: An Architecture of Distributed Public Key Infrastructure Based on Permissoned Blockchain 1 Introduction 2 Relevant Researches on Blockchain 3 Blockchain Node Ledger Operation System Based on Verifiable Security 3.1 Network Node Architecture 3.2 The Operating Mode of a Ledger-Based Permissioned Blockchain 3.3 Security Proof of Permissioned Blockchain Based on Ledger System 4 Distributed PKI Services Based on Permissioned Blockchain 4.1 Description of Relevant Cryptographic Algorithms 4.2 Identity Registration 4.3 Certificate Update 4.4 Certificate Revocation and Key Recovery 4.5 Certificate Retrieval and Key Verification 5 Protocol Analysis 5.1 Security Analysis 5.2 Platform Efficiency Test 6 Conclusion References Optimization Scheme of Consensus Mechanism Based on Practical Byzantine Fault Tolerance Algorithm Abstract 1 Introduction 2 Related Works 2.1 Practical Byzantine Fault Tolerant Algorithm 2.2 The Overall Idea of the Algorithm 3 Algorithm Design 3.1 Primary Node Selection Strategy 3.2 Block Synchronization Strategy 3.3 Algorithm Overall Process 4 Experimentation and Analysis 4.1 Computing Overhead Verification 4.2 Fault Tolerance Verification 5 Conclusion References The Trojan Message Attack on the Pay-to-Public-Key-Hash Protocol of Bitcoin Abstract 1 Introduction 2 Background 2.1 Basic Blockchain Principle 2.2 Data Structure of P2PKH Transaction Records 2.3 Data Structure of Blocks 3 The Trojan Message Attack 3.1 Model of Trojan Message Attack 3.2 Steps of the Attack 3.3 Complexity of the Attack 4 Conclusions References Blockchain-Based Implementation of Smart Contract and Risk Management for Interest Rate Swap Abstract 1 Introduction 2 Background 2.1 Interest Rate Swap 2.2 Corda Platform 3 Related Work 4 Challenges 5 Our Blockchain Approach 6 Evaluation and Discussion 7 Conclusion References Overview and Thoughts on Standardization of China’s Blockchain Technology Abstract 1 The Problems that Need to Solve 2 International Work on Blockchain Standardization 2.1 ISO 2.2 IEEE 2.3 ITU 2.4 W3C 3 China’s Blockchain Standardization Work 3.1 Background of China’s Blockchain Standardization 3.2 2016.10 White Paper on Blockchain Technology and Application Development in China (2016) 3.3 2017.5 Blockchain Reference Architecture 3.4 2017.12 Blockchain Specification for Data Formats 3.5 2018.3 Proposal for the Establishment of National Blockchain and DLT Standardization Technical Committee 4 Thoughts on the Standardization of Blockchain 4.1 Methods of Blockchain Standardization 4.2 The Work Plan of Standardization References Routing Optimization for High Speed Photon State-Channel Architecture Abstract 1 Introduction 2 Background 3 Related Work 4 Our Approach 4.1 Rebalancing Algorithms 4.2 Utility Optimization 4.3 Simulation Setup 5 Evaluation and Discussion 6 Conclusion Acknowledgements References Author Index