RT @CoinDesk: Ethereum Classic has undergone a hard fork that ushers in an upgrade aimed to increase miner participation and increase secur… by Barry SilbertNovember 30, 2020 RT @CoinDesk: Ethereum Classic has undergone a hard fork that ushers in an upgrade aimed to increase miner participation and increase secur… Source Tagged : Coindesk / Ethereum / Miner / Secur / SourceTwitter / Upgrade