51 Percent Attack


Tech

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.

Mining facility

Markets

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.

shadow

Tech

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.

salon2

Markets

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.

magnifying glass, investigation

Markets

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.

Ethereum classic (CoinDesk archives)

Tech

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.

51percent

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