About: http://webisa.webdatacommons.org/208365886

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	Challenge-response protocols are also used to assert things other than knowledge of a secret value.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org