Table 6 Robustness under noise \(({\varTheta }_{noise} \%)\) across various real evaluation conditions.

From: Digital twin-assisted blockchain IoT security model using contrastive and causal learning techniques

Noise type

Severity (%)

Device

LSTM-IDS

XAI-ML-IDS

DT2SA

BCE-IoT

Causio-twinchain (proposed)

Gaussian

5

Doorbell

72.4

75.8

78.1

81.5

98.1

10

70.9

74.4

77.0

82.1

98.3

15

PT Camera

71.3

76.0

78.8

83.2

98.4

20

73.0

75.1

79.2

82.7

98.5

Packet Drop

5

Thermostat

72.1

74.9

78.6

82.9

98.0

10

69.8

73.6

77.3

81.8

98.2

15

Baby Monitor

71.2

75.4

79.0

83.5

98.7

20

72.8

76.2

80.1

84.0

99.0

Temporal Jitter

5

Doorbell

70.5

74.0

77.8

82.2

98.1

10

71.9

75.1

78.9

83.0

98.6

15

PT Camera

73.1

76.5

80.3

84.4

99.1

20

72.4

75.7

79.5

83.7

98.8

FGSM (ε = 0.02)

2

Thermostat

71.6

74.6

78.4

82.5

98.4

FGSM (ε = 0.05)

5

70.8

73.8

77.6

81.9

98.0

FGSM (ε = 0.1)

10

Baby Monitor

72.2

75.4

79.0

82.8

98.9

Mixed Noise (Gaussian + Drop)

5 + 5

Doorbell

73.3

76.8

80.6

84.6

99.2

10 + 10

PT Camera

72.0

75.0

78.7

83.1

98.5

Mixed Noise (Jitter + FGSM)

10 + 5

Thermostat

71.4

74.4

78.0

82.4

98.3

High Mixed Noise (All 15%)

15

PT Camera

73.5

76.9

80.8

84.9

99.3

Extreme Mixed Noise (All 20%)

20

Baby Monitor

72.7

76.0

79.7

83.8

98.7