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Tagged: Chain Reorganization

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51% Attack Account Abstraction Accounts Addresses Avalanche BIP-44 BSC Berlin Best Practices Besu Block Reward Bridges

Aug 6, 2020

ETC Responds to 51% Attacks with Security Upgrades

In August 2020, Ethereum Classic experienced three chain reorganization attacks. The network responded with ECBP-1100 (MESS), increased confirmations, and ultimately benefited from post-Merge hashrate growth.

Security51% AttackECBP-1100+1

Security

Nov 10, 2020

Chain Reorganization Mitigation on ETC

Following 51% attacks in 2020, Ethereum Classic implemented MESS (ECBP-1100) to penalize deep chain reorganizations — and later deprecated it as hashrate grew.

51% AttackMESSECBP-1100+1

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