Reorg attacks
Monero Suffers Deepest-Ever Blockchain Reorganization, Invalidating 118 Transactions
The reorganization was pinned on Qubic, which has acquired over half of Monero's mining power last month and uses XMR rewards to buy and burn its own token.
Monero’s 51% Attack Problem: Inside Qubic’s Controversial Network Takeover
Qubic says it has achieved hashrate dominance over Monero, sparking concerns over the future of the network's decentralization.
Qubic Claims Majority Control of Monero Hashrate, Raising 51% Attack Fears
Qubic’s claim of majority control over Monero’s hashrate sparks warnings of a potential 51% attack, reviving fears over one of crypto’s most disruptive network threats.
Ethereum Classic Suffers Second 51% Attack in a Week
Ethereum Classic has suffered a 4,000-block-long reorganization, its second such incident in five days. The first attack, which saw more than 3,000 blocks reorged, had an attacker steal more than 800,000 ETC, worth about $5.6 million.
Security Firm Asks Exchanges to Help It Find Ethereum Classic 'Attacker'
Security firm SlowMist has come out with a public analysis of the latest chain attacks seen on ethereum classic.
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.
