Decentralized Data Aggregation: A New Secure Framework Based on Lightweight Cryptographic Algorithms

Table 1

Comparison with previous works.

BeeKeeper [10]; BeeKeeper^+ [9]		DDA	DDA^+
Leader	✓	✓	✓
Devices	✓	✓	✓
Servers	✓	×	×
Verification	✓	×	✓
Privacy protecting	×	×	✓
Data aggregation	Servers	Nodes/leader	Nodes/leader
Smart contract	Transfer	Multifunction	Multifunction
Security	No proof	SDS, NDS, SCS, OS	SDS, NDS, SCS, OS