Sui, a decentralized layer-1 blockchain designed for swift smart contract deployment, faced a significant outage on Nov. 21, halting block production for over an hour. According to data from the Sui Network explorer, SuiVision, no blocks were produced after 9:15 a.m. UTC, marking a serious disruption. Industry reactions Observers quickly weighed in on the downtime, with some noting Sui’s aspirations to rival Solana, the fourth-largest cryptocurrency by market capitalization. “SUI blockchain is down. And they claimed to be a Solana Killer,” crypto YouTuber Ajay Kashyap commented on X. Impact on SUI token and exchanges The outage also affected SUI, the