CORE transfers halted on exchanges as Core DAO prepares emergency fork

Core DAO has begun coordinating an emergency hard fork after a small group of validators obtained CORE rewards above the blockchain’s intended issuance, prompting several exchanges to restrict token transfers. Summary Core DAO has contained an incident that allowed a small group of validators to claim CORE rewards above the protocol’s intended issuance. An emergency hard fork is being coordinated as a forward upgrade and will not roll back the network or reverse confirmed transactions. Coinbase, Bithumb, Coinone and other exchanges restricted CORE transfers around the time the reward issue was disclosed. Core has not disclosed how much excess CORE was issued or whether any of the additional tokens entered circulation. Core said on Sept. 1 that it had contained the issue and stopped what it described as “malicious validators” from drawing further excess rewards. The network is now working with validators on a permanent fix through a forward upgrade, meaning previously confirmed transactions will remain unchanged. “Assets remain safe,” Core said, adding that a full technical postmortem would be published after the response is completed. Update: the issue is contained and the maliciou...