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