Credit payment circulation method and system based on block chain

The invention discloses a credit payment circulation method and system based on a block chain. The method comprises the steps of obtaining and storing first transaction information sent by a financialinstitution; wherein the first transaction information is transaction information that the financial institution transfers the credit line to the core enterprise; generating a token which is equal tothe credit line in quantity; wherein the token is a token owned by a core enterprise; obtaining and storing second transaction information sent by the core enterprise; wherein the second transactioninformation is transaction information that the core enterprise transfers the bank note quota to a non-core enterprise; and reducing the number of tokens according to the white bar quota. By adoptingthe method and the system, credit payment circulation is realized based on the block chain, and the authenticity hidden danger can be avoided while the fund circulation efficiency is improved. 本发明公开了一种基于区块链的信用支付流转方法及系统。该方法包括：获取并