RE: [카드뉴스] 블록체인 상식사전 (23) 네트워크 어택 2탄 by. @keepit

[steemitboard]

Congratulations @kr-marketing! 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!