steemitboard (66)in #blockchain • 5 years agoRE: 코인과 블록체인에 대해 .... 1Congratulations @margin.call! You received a personal award! Birthday! - You are on the Steem blockchain for 2…steemitboard (66)in #blockchain • 6 years agoRE: 코인과 블록체인에 대해 .... 1Congratulations @margin.call! You received a personal award! Birthday! - You are on the Steem blockchain for 1…