<https://washingtonnewsday.com/news/iran-began-using-bitcoin-as-a-legal-medium-of-exchange/#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://washingtonnewsday.com/news/iran-began-using-bitcoin-as-a-legal-medium-of-exchange/>