The invention discloses a floating mortgage storage financing method and device based on a block chain and electronic equipment, wherein the method makes full use of a distributed ledger technology, an asymmetric encryption technology, a smart contract technology, a hash algorithm, a digital signature, a smart contract technology and a black and white list mechanism in the block chain, all important participating nodes in the floating mortgage storage financing process form a chain, and transaction information of all the nodes is recorded on the chain, so that the whole process is open and transparent, the transaction safety and efficiency are improved, the credit problem of all participants is solved, the trust mechanism in international trade is remodeled, all information on the chain has traceability, the transaction cost is greatly saved, and the transaction efficiency is improved.