Table 4 Communication costs comparisons.

From: Smart city energy efficient data privacy preservation protocol based on biometrics and fuzzy commitment scheme

Scheme

Size (bits)

Li et al.31

1792

Kumar et al.61

1760

Nikooghadam et al.68

2336

Wang et al.71

1376

Bera et al.72

1952

Bagga et al.73

1856

Proposed

2176

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