About: http://webisa.webdatacommons.org/422738294

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	This confirmed my above two points, i.e. 1, the state declares something to be legal tender, 2, this declaration by the state will not work unless generally accepted by citizens.
http://www.w3.org/ns/prov#wasQuotedFrom	moslereconomics.com