The Tianjin Port Blockchain Verification Pilot Project was put into trial operation on April 17, which marked the deep integration of the blockchain technology and cross-border trade in the trading, finance, logistics and supervision of the Tianjin Port. Blockchain cross-border trade ecosystem. The project aims to integrate blockchain technology and cross-border trade business application systems to build a credible business chain. The project selected two business scenarios of air and sea transportation at Tianjin Port for pilot projects. Wu Youyi, chief engineer of the General Administration of Customs, said the move would make cross-border trade more fair, safe and efficient. It is reported that after the project is put into trial operation, the blockchain technology will be put into trial in the Tianjin port business scenario. The service scope covers the regulatory departments of Tianjin Port and Air Port, the vast number of import and export enterprises, logistics, certification and financial industries.