The invention discloses a warehouse 
receipt pledge financing 
management system and method based on a block chain in the supply chain industry. A protocol layer, a data layer, a function layer and a 
service layer which are fully covered by a warehouse 
receipt pledge financing 
service system based on a block chain are designed. A practical Byzantine fault-tolerant node 
consensus mechanism, a data distributed evidence storage feature, an 
information transparency feature, a distributed operation and maintenance feature and the like adopted by a protocol layer based on a block chain are more convenient for 
big data structured analysis and 
processing, relatively accurate enterprise portraits are realized, and real-
time data synchronization and 
data security are realized. Therefore, unified business decision optimization arrangement and 
risk control are facilitated, and convenience is provided for penetration type supervision. The 
system and the method can completely cover the links of warehouse 
receipt pledge article value dynamic evaluation, pledge release, credit extension and examination, financing subject credit 
risk control, penetration type supervision and the like, and avoid the problems of repeated warehouse receipt pledge, serious false warehouse receipt pledge phenomenon and low credit extension safety evaluation quality of financial institutions.