Linking a mobile app to a specific handset is called device:
ABlocking
BBlending
CBinding
DBlinding
Answer & Solution
Correct answer: C. Binding
1. It uses hardware, software and service information.
2. It stops the app running on an unknown phone.
3. This is device binding.
_Source: Reserve Bank of India (Commercial Banks - Digital Payment Security Controls) Directions, 2026_
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