Keith Mali Chung — the co-founder and president of African blockchain firm Loopblock Network — has returned almost $80,000 worth of Bitcoin (BTC) mistakenly sent to his wallet. Chung — who goes by the Twitter handle of “Bitcoin Keith (The African Bitcoin Bull)” — tweeted about the incident on Sept. 12: “I received huge sum of BTC from an unknown sender and it’s definitely a mistake from someone I must have had transaction with before, Kindly DM me time of transaction, your adress and exact digits sent.. thank you. Kindly retweet” In a further update on Sept. 13, Chung revealed that the exact sum of apparently ... (full story)