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Xai Chronicle

Incident review separates validator timing from reward distribution

Xai's incident account attributed the challenge disruption to a validator being unavailable for approximately 4 hours. It distinguished nodeCreated, when a rollup is created, from nodeConfirmed, when the parent chain Arbitrum accepts it. Because confirmations trigger challenges, the team described an immediate challenge gap and expected another roughly 4-hour gap about 5 days later from the delayed creation stage. It said transaction processing on Xai continued without issue. The retained account mixes relative day labels, so those mechanisms and estimates are more reliable than assigning an exact future outage date from its wording.

Xai's incident account attributed the challenge disruption to a validator being unavailable for approximately 4 hours. It distinguished nodeCreated, when a rollup is created, from nodeConfirmed, when the parent chain Arbitrum accepts it. Because confirmations trigger challenges, the team described an immediate challenge gap and expected another roughly 4-hour gap about 5 days later from the delayed creation stage. It said transaction processing on Xai continued without issue. The retained account mixes relative day labels, so those mechanisms and estimates are more reliable than assigning an exact future outage date from its wording.

Restarting the validator produced 4 confirmations within 1 minute and correspondingly clustered challenges. The proposed response combined time-based esXAI rewards with a minimum interval of 50 minutes, bundling extra confirmations into a single challenge to limit repeated gas expenditure for very small rewards. A separate notice said the reward proposal had passed an audit and was in testing; neither notice announced that these changes were already deployed. The incident therefore links two design problems: recovering the intended emission amount and controlling the cost of collecting it.

The same day's participation notice reported distribution of Phase 1 commemorative NFTs on Xai mainnet according to contribution tiers. It explicitly made the credentials non-transferable and bound to each participant's wallet, while naming November 10, 2024 as the planned end of Phase 2. Those credentials record programme participation; their non-transferability is central to their function and prevents treating them as ordinary liquid trading assets.