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