PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The short answer to the second question is that bitcoins are a poor store of value due to their volatility ??? in the process of editing this book the market price of bitcoin fluctuated about 11% (between $564-$634).[xxxi]
http://www.w3.org/ns/prov#wasQuotedFrom
  • businessinsider.com