“…The results of the parameter simulation show that compared with scal subsidies policy, the construction of a blockchain green nance platform is conducive to better promoting the development of green nance, guiding more nancial resources to green production sectors, and the blockchain green nance platform also helps to improve overall output and reduce pollution emissions. Lin and Zhang (2019), this article de nes the "Blockchain + Finance" platform as a distributed digital platform using blockchain as underlying technology in the nance sector, building a digital platform co-owned and shared by all participants, including nancial institutions, nanciers, nancial regulators, environmental protection departments, and investors. Through a consensus mechanism, information generated by every step of funding sources, uses, transactions, and other aspects is recorded in the "Blockchain + Finance" platform to promote data and information sharing.…”