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Following
CORE Core blockchain reward issuance abnormal: A small number of verifiers receive excessive rewards
Core blockchain (@Coredao_Org) disclosed an unexpected problem: a small number of verifiers receive block rewards that exceed the original intention of the agreement. Although the team quickly took measures to control the situation, it still raised questions about its reward disbursement mechanism.
The incident passed through
According to the Core network status update, this exception is limited to the reward issuance process and has not affected network security or user funds. The team said it had identified the root cause and had begun implementing mitigation measures. After the problem is resolved, a complete post-mortem analysis report will be released.
Excess rewards appear to be a protocol-level issuance issue rather than a verifier security vulnerability. This difference is important: Under Core's Satoshi Plus consensus mechanism, verifiers receive transaction fees and newly minted $CORE tokens as rewards through blockchain's inflation policy. Currently, 90% of the rewards are allocated to verifiers and 10% is allocated to system reward contracts. If the issuance layer deviates from these parameters, it will directly lead to overpayments for some verifiers.
How the Core Reward System works
Understanding the normal reward process helps you better understand this vulnerability. Verifiers receive a $CORE token reward for participating in the Core Consensus Mechanism and generating blocks, which is awarded at the end of each round (approximately every 24 hours). The reward each verifier receives is proportional to the number of blocks it produces, and in the long run, all stably running verifiers are expected to receive roughly equal shares because block production is evenly distributed.
A loophole that breaks this symmetry-allowing certain verifiers to receive rewards that exceed their proportionate share-distorts the incentive structure of the entire network, even if it does not affect network security. Core has not stated the number of validators affected or the size of the overissuance. The network's commitment to release an after-the-fact analysis shows that it plans to be transparent about the root cause and any remedial actions, including whether to withdraw overpaid rewards or otherwise deal with them.
This incident reminds us that reward disbursement logic, while often viewed as routine bookkeeping, is actually at the heart of blockchain economic design. Even if a temporary error occurs, it may have a lasting impact on verifier behavior and token supply.
