Hellow guys, Welcome to my website, and you are watching [오픈렛저 코인] 블록체인 보안 테마 급부상! 오픈렛저, 조용히 올라옵니다!. and this vIdeo is uploaded by 블록체인 연구소 - 비트랩 at 2025-10-16T03:35:00-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.