Application of Blockchain Technology in Environmental Health: Literature Review and Prospect of Visualization Based on CiteSpace

Blockchain technology and its applications have recently become a research hotspot. Its three core technologies, distributed ledger, smart contract, consensus mechanism, provide trust-enhancing features such as tamper-proof records, full traceability, data decentralization for wide range of applications. This paper investigates the use blockchain in environmental health. It indicators number articles published, author collaboration network, institution keyword co-occurrence this field between 2014 2021. describes analyzes development connotations these indicators. Many scholars conducted in-depth studies on various areas. Still, there are few cross-over health lack application multiple fields. The current study evolution health, well potential patterns trends, to theoretical foundation sustainability field.