Blockchain-based infrastructure was employed in today’s world to support security and privacy-oriented
spatiotemporal smart contract services for sustainable Internet of Things (IoT)-enabled sharing economy in mega smart
cities. The infrastructure leverages cognitive fog nodes at the sting to host and process offloaded geo-tagged multimedia payload
uses AI for processing and extracting significant event information, produces semantic digital analytics, and saves ends up in
Blockchain and decentralized cloud repositories to facilitate sharing economy services. The framework offers a sustainable
incentive mechanism, which can potentially support secure smart city services, like sharing economy, smart contracts, and
hyperphysical interaction with Blockchain. [1] Our unique contribution is justified by detailed system design and implementation
of the framework.
