Taking the accounts receivable pledge business as the research object,an evolutionary game model of"smes-financial institutions"before and after joining the blockchain technology was built,the changes in the stability strategies of financial institutions and smes were analyzed,and the real factors of resolving the financing risks of accounts receivable pledge by blockchain were obtained.Finally,simulation software was used to verify and analyze the conclusions.The research found that after joining the blockchain,smes can make the whole game system reach the state of(accepting loans and keeping promises)through long-term evolution by incentivifying the compliance and increasing the hidden losses of smes in default,thus resolving the related risks of accounts receivable pledge financing.
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