Research Article
Resource Sharing of Smart City Based on Blockchain
Table 1
Differences between block chains.
| Property | Private chain | Alliance chain | Public chain |
| Participant | Members within the organization | Alliance member | Anyone | Read permission | Restricted | Public or restricted | Public | Consensus mechanisms | Solo and PBFS | PBFS, Kafka, Raft | PoW, PoS, and DpoS | Efficiency | High | Low | Low | Represents | Multichain | Hyperledger fabric | Bitcoin and Ethereum |
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