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U.S. Bitcoin Mining Pool (group of miners sharing rewards) Reportedly Loses 30% Power—Hashrate (network computing power) and Security Risks Cited

According to a social media post by @akibablade, a U.S.-based pool lost about 30% of its computing power, prompting claims that Bitcoin’s proof-of-work (mining-based consensus) security weakened as network hashrate (network computing power) fell.

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Summary

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Terms & Concepts
  • Hashrate: The total computing power securing a proof-of-work blockchain; higher levels increase attack resistance.
  • Mining pool: A coordinated group of miners who combine hashrate to reduce reward variance and share payouts.
  • 51% attack: When an entity controls most hashrate, enabling double-spends or transaction censorship on a proof-of-work chain.