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RE: 블록체인 기반 서비스 : 교육 (Blockchain-based service : Education)

in #blockchain • 5 years ago

Congratulations @catshaan! You received a personal award!

Happy Birthday! - You are on the Steem blockchain for 2 years!

You can view your badges on your Steem Board and compare to others on the Steem Ranking

Vote for @Steemitboard as a witness to get one more award and increased upvotes!
5 years ago in #blockchain by
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