Research Article
Efficient Concurrent Execution of Smart Contracts in Blockchain Sharding
Table 1
A comparison of existing contributions.
| | Property | Sharding protocol | Lock method | Timestamp ordering method | Multiversion concurrency control mechanism | SCC algorithm |
| | Smart contract | Available | Available | Available | Available | N/A | | Concurrency | Yes | Yes | Yes | Yes | Yes | | Efficiency | High | Low | Middle | High | Middle | | Security | Poor | Favorable | Favorable | Favorable | Moderate | | Energy saving | Partial | Partial | Yes | Partial | No |
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