|
Framework/metric
|
Fully decentralized
|
Sybil resistant
|
Incentives
|
|---|
|
Certain trust
|
✗
|
✗
|
✗
|
|
Martucci et al.
|
✗
| ✓ |
✗
|
|
Appleseed
| ✓ |
✗
|
✗
|
|
Eigen trust
| ✓ |
✗
| ✓ |
|
Feldman et al.
| ✓ |
✗
| ✓ |
|
Credible recommendations
| ✓ |
✗
| ✓ |
|
Bogliolo et al.
| ✓ |
✗
| ✓ |
|
Nuglets
|
✗
| ✓/✗a
| ✓ |
|
Pirzada et al.
| ✓ |
✗
| ✓ |
|
Xing et al.
| ✓ |
✗
|
✗
|
-
aWhile it provides means to greatly reduce Sybil attacks close to a full extent, it is not 100 % Sybil resistant (i.e. there are mechanisms to try to deter Sybil nodes or to detect them, but those not deterred or detected still are able to cheat)
