About: http://webisa.webdatacommons.org/3175438

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	Currently, merchants, buyers and suppliers authenticate communications such as contracts and payments using security credentials, such as digital signatures, cryptographic keys, digital certificates and tokens.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com