Secure Data Collaborative Computing Scheme Based on Blockchain

Table 2

Performance comparison between this article and other SPMC solutions.

Program	Rely on trusted third parties	Verifiable	Privacy	Controllability	Scalability	Prevent collusion
[4]	✓	×	✓	─	─	✓
[9]	×	×	✓	─	─	✓
[10]	×	✓	✓	×	×	✓
[11]	×	✓	✓	✓	✓	─
[23]	✓	×	✓	─	─	✓
This paper	×	✓	✓	✓	✓	✓