About: http://webisa.webdatacommons.org/390644724

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	Mechanisms for payments are complex, and there are problems such as security and trust that have, so far, been prohibitive.
http://www.w3.org/ns/prov#wasQuotedFrom	libr.org