Show HN: Gravacoin – An open-source tool to share your coin addresses(gravaco.in)4 points·by jorge-d·hace 12 años·3 commentsgravaco.inShow HN: Gravacoin – An open-source tool to share your coin addresseshttp://gravaco.in3 commentsPost comment[–]gauriage·hace 12 añosreplyVery useful ![–]Sabmit·hace 12 añosreplyNice project![–]BGuimberteau·hace 12 añosreplyvery nice idea