Repliessuccessgr.with (74)in sct-freeboard • 3 years agoRE: 암호 화폐 해킹steem.history (78)in crypto • 3 years agoRE: How Einstein, Elon, and Uncle Sam could ruin cryptocurrency by 2050Hello welcome to Steemit world! I'm @steem.history, who is steem witness. This is a recommended post for you. Newcomers Guide and The Complete Steemit Etiquette Guide (Revision 2.0) and…