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Bitcoin Hashrate Flash-Crashes 40% Highlighting Pure Proof-of-Work Vulnerability

By dashnews.org on September 24, 2019


Bitcoin’s hashrate experienced a flash crash, dropping nearly in half, highlighting a potential issue with the pure proof-of-work security model. If you operate an exchange, or a merchant that accepts BTC directly (but let's be honest, no one does that), you should increase # of confirmations when you see a hashrate drop exceeding 30%. — …

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Related coins: Bitcoin, Flash