51% Attacks on Bitcoin and Ethereum Networks Are Not Possible Due to Impractical Costs: Coin Metrics

51% Attacks on Bitcoin and Ethereum Networks Are Not Possible Due to Impractical Costs: Coin Metrics. It is no longer viable for nation-states to destroy the Bitcoin (BTC) and Ethereum (ETH) networks through 51% attacks. According to the latest research from crypto intelligence firm Coin Metrics, the astronomical costs required to carry out such attacks make them impractical and unprofitable. A 51% …