About: http://webisa.webdatacommons.org/7551656

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Phone cards and subway pass cards are common examples of prepaid cards currently in use.Another form of a cashless financial transaction system, not based on gold or other valuable commodities, is the smart card system.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com