Secure and Cost-Efficient Task Assignment for Decentralized Mobile Crowdsensing: A Governance-Oriented Tiered Approach
The blockchain-based Mobile Crowdsensing (MCS) system has emerged as a promising solution to achieve transparent and trustworthy task assignment, via on-chain smart contracts. It allows requesters to upload crowdsensing tasks to smart contracts, which then transparently assign tasks to different workers. Despite their...