The WorldLink Credit System is a credit system with global circulation and payment as its core business. It utilizes the technological advantages of blockchain distributed storage, openness, fairness, transparency, data traceability, and non tampering to achieve payment for global circulation goods, which can perfectly solve a series of problems such as lack of trust between both parties in global commodity transactions. Traditional cross-border payment methods have long clearing times, high handling fees, and sometimes involve cross-border fund risks caused by fraudulent activities. Creating peer-to-peer payment methods through blockchain technology, excluding the intermediate links of third-party financial institutions, not only enables 24-hour payment, instant receipt, easy withdrawal, and no hidden costs, but also helps reduce capital risk and meet the convenience needs of cross-border goods for payment and clearing services....