Blockchain and Trustworthy Systems: Second International Conference, BlockSys 2020, Dali, China, August 6–7, 2020, Revised Selected Papers

Front Matter ....Pages I-XV
Front Matter ....Pages 1-1
 Modeling and Verification of the Nervos CKB Block Synchronization Protocol in UPPAAL  (Qi Zhang, Yuteng Lu, Meng Sun)....Pages 3-17
 A Blockchain Consensus Mechanism for Marine Data Management System  (Ziqi Fang, Zhiqiang Wei, Xiaodong Wang, Weiwei Xie)....Pages 18-30
 A Complete Anti-collusion Mechanism in Blockchain  (Xiangbin Xian, Zhenguo Yang, Guipeng Zhang, Tucua Miro de Nelio S., Wenyin Liu)....Pages 31-44
 The Framework of Consensus Equilibria for Gap Games in Blockchain Ecosystems  (Lan Di, Fan Wang, Lijian Wei, George Yuan, Tu Zeng, Qianyou Zhang et al.)....Pages 45-53
Front Matter ....Pages 55-55
 DP-Hybrid: A Two-Layer Consensus Protocol for High Scalability in Permissioned Blockchain  (Fulin Wen, Lei Yang, Wei Cai, Pan Zhou)....Pages 57-71
 A Blockchain-Based Crowdsourcing System with QoS Guarantee via a Proof-of-Strategy Consensus Protocol  (Xusheng Cai, Yue Wang, Feilong Lin, Changbing Tang, Zhongyu Chen)....Pages 72-86
 PBFT Consensus Performance Optimization Method for Fusing C4.5 Decision Tree in Blockchain  (Zhihong Liang, Yuxiang Huang, Zhichang Guo, Qi Liu, Tiancheng Liu)....Pages 87-96
Front Matter ....Pages 97-97
 Identifying Illicit Addresses in Bitcoin Network  (Yang Li, Yue Cai, Hao Tian, Gengsheng Xue, Zibin Zheng)....Pages 99-111
 Blockchain-Based Participant Selection for Federated Learning  (Keshan Zhang, Huawei Huang, Song Guo, Xiaocong Zhou)....Pages 112-125
 PSM\(^2\): A Privacy-Preserving Self-sovereign Match-Making Platform  (Chenyu Wu, Feng Yuan, Youshui Lu, Saiyu Qi)....Pages 126-141
 A Blockchain-Based Distributed Authentication and Dynamic Group Key Agreement Protocol  (Zisang Xu, Feng Li, Minfu Tan, Jixin Zhang)....Pages 142-151
 Scalable and Communication-Efficient Decentralized Federated Edge Learning with Multi-blockchain Framework  (Jiawen Kang, Zehui Xiong, Chunxiao Jiang, Yi Liu, Song Guo, Yang Zhang et al.)....Pages 152-165
 PoW-Based Sybil Attack Resistant Model for P2P Reputation Systems  (Biaoqi Li, Xiaodong Fu, Kun Yue, Li Liu, Lijun Liu, Yong Feng)....Pages 166-177
 Phishing Detection on Ethereum via Learning Representation of Transaction Subgraphs  (Zihao Yuan, Qi Yuan, Jiajing Wu)....Pages 178-191
 Detection of Smart Ponzi Schemes Using Opcode  (Jianxi Peng, Guijiao Xiao)....Pages 192-204
 Towards on Blockchain Data Privacy Protection with Cryptography and Software Architecture Approach  (Zexu Wang, Bin Wen, Ziqiang Luo)....Pages 205-217
 Research and Implementation of Cross-Chain Transaction Model Based on Improved Hash-Locking  (Bingrong Dai, Shengming Jiang, Menglu Zhu, Ming Lu, Dunwei Li, Chao Li)....Pages 218-230
 A Security Problem in Small Scale Private Ethereum Network  (Zhen Gao, Dongbin Zhang, Jiuzhi Zhang)....Pages 231-242
 An Attack Detection and Defense Method for SDWN Oriented Blockchain Network  (Lijun Xiao, Yulian Gao, Bin Liu, Tianke Fang)....Pages 243-252
Front Matter ....Pages 253-253
 BPS-VSS: A Blockchain-Based Publish/Subscribe Video Surveillance System with Fine Grained Access Control  (Qian He, Bingcheng Jiang, Dongsheng Cheng, Rengang Liang)....Pages 255-268
 SDABS: A Secure Cloud Data Auditing Scheme Based on Blockchain and SGX  (Hong Lei, Zijian Bao, Qinghao Wang, Yongxin Zhang, Wenbo Shi)....Pages 269-281
 Privacy-Preserving Multi-keyword Search over Outsourced Data for Resource-Constrained Devices  (Lin-Gang Liu, Meng Zhao, Yong Ding, Yujue Wang, Hua Deng, Huiyong Wang)....Pages 282-294
 Blockchain-Based Secure Cloud Data Deduplication with Traceability  (Hui Huang, Qunshan Chen, Yuping Zhou, Zhenjie Huang)....Pages 295-302
Front Matter ....Pages 303-303
 PCN-Based Secure Energy Trading in Industrial Internet of Things  (Yong Feng, Yao Xiao, Dunfeng Li, Xiaodong Fu)....Pages 305-318
 A Data Trading Scheme Based on Payment Channel Network for Internet of Things  (Dunfeng Li, Yong Feng, Yao Xiao, Mingjing Tang, Xiaodong Fu)....Pages 319-332
 Blockchain Based Trust Management in Vehicular Networks  (Han Liu, Dezhi Han, Dun Li)....Pages 333-346
 CMBIoV: Consensus Mechanism for Blockchain on Internet of Vehicles  (Qiuyue Han, Yang Yang, Zhiyuan Ma, Jiangfeng Li, Yang Shi, Junjie Zhang et al.)....Pages 347-352
Front Matter ....Pages 353-353
 Adaptive Edge Resource Allocation for Maximizing the Number of Tasks Completed on Time: A Deep Q-Learning Approach  (Shanshan Wu, Qibo Sun, Ao Zhou, Shangguang Wang, Tao Lei)....Pages 355-367
 Scheduling of Time Constrained Workflows in Mobile Edge Computing  (Xican Chen, Siyi Gao, Qibo Sun, Ao Zhou)....Pages 368-379
 An Efficient Offloading Scheme for Blockchain-Empowered Mobile Edge Computing  (Jin Xie, Fan Wu, Ke Zhang, Xiaoyan Huang, Supeng Leng)....Pages 380-393
 Clustering Algorithm Based on Task Dependence in Vehicle-Mounted Edge Networks  (Yixin Yu, Xinyue Shi, Yashu Yang, Xiang Ren, Haitao Zhao)....Pages 394-400
Front Matter ....Pages 401-401
 How Similar Are Smart Contracts on the Ethereum?  (Nan Jia, Queping Kong, Haiping Huang)....Pages 403-414
 Trustworthy Dynamic Target Detection and Automatic Monitor Scheme for Mortgage Loan with Blockchain-Based Smart Contract  (Qinnan Zhang, Jianming Zhu, Yuchen Wang)....Pages 415-427
 Dynamic Gas Estimation of Loops Using Machine Learning  (Chunmiao Li, Shijie Nie, Yang Cao, Yijun Yu, Zhenjiang Hu)....Pages 428-441
 A Data Integrity Verification Scheme Based on Blockchain and Blind Homomorphic Tags  (Shuai Huang, Jing Xiao, Hong-liang Mao, Mu-ran Su, Hai-bo Ying, Shuang Tan)....Pages 442-455
 A Permissioned Blockchain-Based Platform for Education Certificate Verification  (Hanlei Cheng, Jing Lu, Zhiyu Xiang, Bin Song)....Pages 456-471
Front Matter ....Pages 473-473
 Exploring EOSIO via Graph Characterization  (Yijing Zhao, Jieli Liu, Qing Han, Weilin Zheng, Jiajing Wu)....Pages 475-488
 De-Anonymization of the Bitcoin Network Using Address Clustering  (Changhoon Kang, Chaehyeon Lee, Kyungchan Ko, Jongsoo Woo, James Won-Ki Hong)....Pages 489-501
 Cryptocurrencies Price Prediction Using Weighted Memory Multi-channels  (Zhuorui Zhang, Junhao Zhou, Yanan Song, Hong-Ning Dai)....Pages 502-516
 Machine Learning Based Bitcoin Address Classification  (Chaehyeon Lee, Sajan Maharjan, Kyungchan Ko, Jongsoo Woo, James Won-Ki Hong)....Pages 517-531
 Deciphering Cryptocurrencies by Reverse Analyzing on Smart Contracts  (Xiangping Chen, Queping Kong, Hao-Nan Zhu, Yixin Zhang, Yuan Huang, Zigui Jiang)....Pages 532-546
Front Matter ....Pages 547-547
 Blockchain-Based Distributed Machine Learning Towards Statistical Challenges  (Mei Li, Qigang Wang, Wanlu Zhang)....Pages 549-564
 Research on a Blockchain Consensus Algorithm Based on Digital Copyright  (Guo Jun, Yang Lan, Zhou HongBo, Guo Yang)....Pages 565-574
 Blockchain-Based Dynamic Spectrum Sharing for 5G and Beyond Wireless Communications  (Zuguang Li, Wei Wang, Qihui Wu)....Pages 575-587
 A Decentralized Data Processing Framework Based on PoUW Blockchain  (Guangcheng Li, Qinglin Zhao, Xianfeng Li)....Pages 588-600
 Fabric-Chain & Chain: A Blockchain-Based Electronic Document System for Supply Chain Finance  (Dun Li, Dezhi Han, Han Liu)....Pages 601-608
 A Cross-border VR Technology for Blockchain Environment  (Huiping Wang, Alan Hong, Xiaoyan Chen)....Pages 609-615
Front Matter ....Pages 617-617
 Data Ownership Confirmation and Privacy-Free Search for Blockchain-Based Medical Data Sharing  (Cong Zha, Hao Yin, Bo Yin)....Pages 619-632
 A Survey on the Application of SGX in Blockchain Area  (Hong Lei, Qinghao Wang, Wenbo Shi, Zijian Bao)....Pages 633-647
 High-Accuracy Reliability Prediction Approach for Blockchain Services Under BaaS  (Jianlong Xu, Zicong Zhuang, Kun Wang, Wei Liang)....Pages 648-660
 Analysis of the Randomness Generation for PoS-Based Blockchains with Verifiable Delay Functions  (Liwei Liu, Maozhi Xu)....Pages 661-674
 A Blockchain Based Scheme for Authentic Telephone Identity  (Fuwen Liu, Bo Yang, Li Su, Ke Wang, Junzhi Yan)....Pages 675-682
 BDSS: Blockchain-Based Data Synchronization System  (Rengang Liang, Qian He, Bingcheng Jiang, Mingliu He, Kuangyu Qin)....Pages 683-689
Back Matter ....Pages 691-693