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