51 percent-attack

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No, Concentration Among Miners Isn’t Going to Break Bitcoin
Bitcoin's resilience doesn't depend on widely distributed mining power. It just requires self-interested miners, says CoinDesk columnist Hasu.
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Why Exchanges List Small-Cap Coins Despite 51% Attacks
It is profitable for exchanges to list low market-cap coins, despite the potential for 51 percent attacks, say two VCs from Dragonfly Capital.
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Bitcoin Cash Miners Undo Attacker's Transactions With '51% Attack'
Two mining pools recently carried out a 51 percent attack on the bitcoin cash blockchain.
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Exchange Says $200K in Ethereum Classic Lost As Blockchain Attacks Continue
Cryptocurrency exchange Gate.io has corroborated claims that the ethereum classic network is under a 51 percent attack, disclosing a loss of 40,000 ETC.
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Coinbase Suspends Ethereum Classic After Blockchain History Rewrites
Ethereum classic's blockchain has been hit by a suspected 51 percent attack, leading to reorganizations of its transaction history.
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A Solution to Crypto's 51% Attack? Fine Miners Before It Happens
After losing money during a 51 percent attack earlier this year, crypto project Horizen claims to have a solution to crypto's famed vulnerability.
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