| 摘要 |
The present invention generally relates to a technique for managing an online digital certificate to verify genuine materials. More specifically, the present invention relates to a technique for managing an online digital certificate by using digital tags to immediately check whether a product is manufactured by using genuine materials or not when receiving various types of products manufactured separately, such as an apartment, a studio apartment, a construction, machinery, a ship, event equipment, furniture, and etc. According to the present invention, a consumer can directly check whether the product is manufactured only by genuine materials or not so as to immediately file a claim when there are fake materials in the product. Especially, the consumer can check whether fake materials are used or not any time before the final completion point in the case of the product taking a long construction period so as to secure the proper construction. For example, a contractor or a buyer can directly check whether fake materials are used or not when the intermediate construction or pre-sale agreements (for shop) or pre-inspection before moving in (to apartment) in the case of construction of an apartment, a studio apartment, a country house complex, and a commercial building. |
