PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The FinCEN guidance issued on 18th March 2013 defines an exchanger as ???a person engaged as a business in the exchange of virtual currency for real currency, funds, or other virtual currency???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • coindesk.com