steemitboard (66)in #blockchain • 5 years agoRE: 블록체인 기반 서비스 : 교육 (Blockchain-based service : Education)Congratulations @catshaan! You received a personal award! Birthday! - You are on the Steem blockchain for 2…steemitboard (66)in #blockchain • 6 years agoRE: 블록체인 기반 서비스 : 교육 (Blockchain-based service : Education)Congratulations @catshaan! You received a personal award! Birthday! - You are on the Steem blockchain for 1…steemitboard (66)in #blockchain • 6 years agoRE: 블록체인 기반 서비스 : 교육 (Blockchain-based service : Education)Congratulations @catshaan! You have completed some achievement on Steemit and have been rewarded with new badge(s)…