The background of this research comes from the current trend of online shopping as nowadays online shopping is often used by consumers. One of the top brands in e-commerce is Shopee, although Shopee have many visitors, but it does not reflect the high repurchase intention that can be seen from the value of the Shopee transaction. Therefore, it is important for companies to know the factors that influence the repurchase intention from Shopee. The purpose of this study is to find out the factors that affect repurchase intention in consumers using Shopee applications through advertisements, sales promotions, and brand image. This type of research is quantitative research. The data presented in this study were obtained through a questionnaire given to 110 respondents. Statistical analysis using SPSS 16 is used in the model and hypothesis testing. The results of this study indicate that advertising, sales promotion, and brand image have a positive effect on repurchase intention in Shopee.

Due to the unavailability of issuing entities, the increasing number of valuable documents that are still being issued in printed form has an impact on forgery and cannot be verified. Academic certification is an achievement that everyone desires because it has a positive effect and has a continuity in their social life. These activities are listed as being able to identify, analyze, and try out any of the ledger options that are available. arise to provide greater efficiency, reliability, and a level of independence. By implementing a prototype that could issue, verify, and distribute certificates, the fact of the concept was proposed. The experimental test results are given, as well as the use of blockchain technology for the purpose of analyzing. Finally, this work outlines the current growth and maturity of equipment encountered, reports progress and limitations, and reveals issues that still need to be addressed.