The accumulated origin rules under the RCEP allow intermediate goods to be cumulatively calculated for tax differences among member states, facilitating re-export and deep processing trade. Multiple locations have already implemented self-printing of origin certificates, reducing the time for document circulation.

Writing the digital origin certificate hash into the SNSUC blockchain evidence layer can achieve "one certificate, one fingerprint," establishing a verifiable document chain between customs, banks, and buyers, thereby reducing the cost of duplicate verification.