RE: [일요 암호화폐 칼럼] 블록체인이 왜, 제 2의 인터넷인가 [2] 부제- 신기술, 그리고 기회.

[steemitboard]

Congratulations @junesteemit! You received a personal award!

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

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Carnival Challenge - Collect badge and win 5 STEEM

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