Svartnod – prove a file existed, verified against my own Bitcoin node(svartnod.com)2 points·by swedoc·hace 18 días·0 commentssvartnod.comSvartnod – prove a file existed, verified against my own Bitcoin nodehttps://svartnod.com4 commentsPost comment[+]xunevega·hace 17 días[+]xunevega·hace 18 días[+]swedoc·hace 18 días[+]swedoc·hace 18 días