<p><img src="https://images.cointelegraph.com/images/528_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS9zdG9yYWdlL3VwbG9hZHMvdmlldy9lMjY2MjIwMmE0OGIzMWIyNDM3ODk3NzgyMzg2OWVmNy5qcGc=.jpg" /></p><p>Blockchain helps the other kind of mining.</p><br/><br/><br/> 원문출처 : <a href='https://cointelegraph.com/news/vale-completes-iron-ore-transaction-through-blockchain' target='_blank'>https://cointelegraph.com/news/vale-completes-iron-ore-transaction-through-blockchain</a>