BCoT: Introduction to Blockchain-Based Internet …

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Fig. 6 Illustration of Fog-IoT architecture

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Challenges in IoT

IoT poses a bunch of research challenges, as mentioned in the following.

Heterogeneity

The interoperability of heterogeneous devices in IoT is a big challenge for

researchers. Unified infrastructure for various communication protocols, data types,

and hardware architectures is required to build up a successful service framework.