Sui, a leading Layer-1 blockchain, experienced three separate mainnet outages on May 28 and May 29, 2026, after a series of software bugs triggered network-wide disruptions. According to a post-mortem released by the Sui Foundation, each attempted fix either revealed or contributed to another failure, resulting in a cascading reliability incident that temporarily halted blockchain operations. The first outage started around 7 a.m. PT on May 28 and lasted nearly seven hours. The issue originated from a rare flaw in Suis gas-charging mechanism involving transactions that used both the newly… Read more






