steemitboard (66)in #bitcoin • 4 years agoRE: Ownen Cong: Bitcoin is an economic modelCongratulations @zhujianwu! You received a personal award! Birthday! - You are on the Steem blockchain for 1…partiko (66)in #bitcoin • 5 years agoRE: Ownen Cong: Bitcoin is an economic modelcheetah (77)in #blockchain • 5 years agoRE: 区块链的发展历史?是怎样的,大家一起来看看Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in: