Intelligent equipment cross-platform linkage system and method, equipment and storage medium

The invention discloses an intelligent equipment cross-platform linkage system and method, equipment and a storage medium, and the system comprises a plurality of blockchain private domain nodes basedon a blockchain basic platform, the blockchain private domain nodes are connected with an Internet of Things platform, and intelligent equipment is connected with the Internet of Things platform, wherein the first block chain private domain node is connected with the first Internet of Things platform, the second block chain node is connected with the second Internet of Things platform, and the first Internet of Things platform and the first block chain private domain node as well as the second Internet of Things platform and the second block chain private domain node have the same data exchange format; data intercommunication between the blockchain private domain node and the Internet of Things platform is realized; and the first block chain private domain node and the second block chainprivate domain node are co