http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20020069070-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cbffa3b81b3b862dc7220b5648f5f745 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b16c2e0f4a8f37697730458ae837ab25 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06Q20-065 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06Q30-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06Q20-4016 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06F15-00 |
| filingDate | 2001-02-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aeb0c6b6ab01b6fd809432a68961bcf5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_306dc99fc5435f1360d120f2cf308499 |
| publicationDate | 2002-08-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20020069070-A |
| titleOfInvention | Electronic Payment System Using Double Hash Chain |
| abstract | The present invention provides an ultra-small electronic payment system excellent in efficiency, safety, and dispute resolution in an electronic payment system, in particular, a micro-electronic payment system.n n n In order to achieve efficiency and safety, the present invention uses a double hash chain method.n n n In the present invention, a user purchases a coupon bundle generation certificate from a broker before purchasing an item in a store. The user goes through the additional procedure of registering the coupon bundle generated by using the coupon bundle generation certificate to the store before using the coupon. The store uses the coupon received from the user and the coupon bundle generation certificate of the user, and after a predetermined time passes, the broker bills the price corresponding to the number of coupons. The broker decreases the user's account by the requested amount and increases the store's account when the store requests. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20190007572-A |
| priorityDate | 2001-02-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.