A digital lading bill circulation method and device based on a block chain and electronic equipment

The embodiment of the invention provides a digital lading bill circulation method and device based on a block chain and electronic equipment. The method comprises the following steps: when a bill transfer request is received, verifying related information of the bill transfer request based on a bill smart contract; if the verification is passed, transfering the pass assets of the bill corresponding to the bill transfer request based on the pass smart contract; and issuing a bill transfer success event message. In the scheme, the under-chain physical assets corresponding to the lading bill areconverted into the on-chain digital assets for value circulation, so that the lading bill physical assets can realize real-time value transfer in a trusted transparent environment based on multi-partycollaboration; risks such as one-commodity two-selling and one-commodity for securities lending and borrowing possibly existing in the actual transfer process of the lading bill physical assets are effectively solved, the ass