Blockchain-Based Crowdsourcing Framework with Distributed Task Assignment and Solution Verification

Table 1

Symbol definitions.

Symbol	Definition
	Crowdsourcing participants or system users, including publisher , worker , and evaluator
	Public key for a crowdsourcing participant
	Secret key for a crowdsourcing participant
	Blockchain address for a crowdsourcing participant
	Unique identification for a crowdsourcing task
	Reputation value for a crowdsourcing participant
	Asymmetric encryption algorithm
	Secure hash function