Supplement 62 to ITU-T Y.4000-series (07/2020) Overview of blockchain for supporting Internet of things and smart cities and communities in data processing and management aspects
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Supplement
4 Abbreviations and acronyms
5 Conventions
6 Overview of convergence of blockchain and IoT and SC&C from the DPM perspective
6.1 Main advantages and challenges of blockchain from the DPM perspective
     6.2 Main challenges of DPM in IoT and SC&C
     6.3 Main benefits and challenges of blockchain for supporting IoT and SC&C in DPM
7 Analysis of key features of and a common reference model for blockchain from the DPM perspective when supporting IoT and SC&C
     7.1 Key features of blockchain for DPM
          7.1.1 Crowding consensus
               7.1.1.1 Proof of work
               7.1.1.2 Proof of stake and delegated proof of stake
               7.1.1.3 Practical byzantine fault tolerant
               7.1.1.4 Federated byzantine agreement
               7.1.1.5 Round robin
          7.1.2 Smart contract
     7.2 Abstract common reference model of blockchain and capabilities for DPM
          7.2.1 Fundamental layer
          7.2.2 Core layer
          7.2.3 Service supporting layer
          7.2.4 Application layer
          7.2.5 Cross-layer
8 Analysis of key issues for blockchain support of IoT and SC&C from the DPM perspective
     8.1 Identification and authentication
          8.1.1 Permissionless blockchain
          8.1.2 Permissioned blockchain
     8.2 Data generation and storage
     8.3 Data management
     8.4 Data exchanging and sharing
     8.5 Cross-chain interaction and data mitigation
     8.6 Data security and privacy
     8.7 Data auditing, tracking and tracing
     8.8  Blockchain as a decentralized database
9 Analysis of the effects of using blockchain to support IoT and SC&C from the DPM perspective
     9.1 Impact on IoT networks and service platforms for IoT and SC&C
     9.2 Promoting high-speed, low-latency services of IoT networks for data transmission and processing
     9.3 Promoting the network and data security for IoT networks and services
Appendix I  Representative blockchain platforms and their key features for DPM
     I.1 Bitcoin
     I.2 Ethereum and Enterprise Ethereum
     I.3 Hyperledger fabric
Bibliography