PrivCrowd: A Secure Blockchain-Based Crowdsourcing Framework with Fine-Grained Worker Selection

Table 1

Notations for the smart contracts.

	Blockchain address of the requester .
	Blockchain address of the worker .
	Contract address of PostTask.
	Contract address of CollectSol.
	Contract address of UpdateProf.
	Read balance of blockchain address.
	Transfer from address to .
	Broadcast message to blockchain.
	Function to update workers’ profile.