Protecting Check-In Data Privacy in Blockchain Transactions with Preserving High Trajectory Pattern Utility

Table 1

Trajectory pattern matrix.

(a) User trajectory pattern matrix

Matrix
	0.2	0.4	0.2	0.2
	0	0	0	1
	0.25	0.25	0	0.5
	4/7	0	2/7	1/7

(b) Anonymous trajectory pattern matrix

Matrix
	3/19	8/19	4/19	4/19
	0	0	0	1
	0.25	0.25	0	0.5
	16/29	0	8/29	5/29