Research Article

A Privacy Protection Method of Lightweight Nodes in Blockchain

Table 2

The relationship between privacy leakage tolerance and threshold.

LevelPrivacy leakage toleranceThreshold β

0Extremely high[0, 0.2]
1High(0.2, 0.4]
2Medium(0.4, 0.6]
3Low(0.6, 0.8]
4Extremely low(0.8, 1]