<https://haven-protocol.frozensoul.eu/how-much-money-can-i-convert-haven-protocol-to-shop-at-amazon#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://haven-protocol.frozensoul.eu/how-much-money-can-i-convert-haven-protocol-to-shop-at-amazon>