In August 2025, PGDN conducted an external scan of the Sui validator network. What we found was systemic: nearly 40% of the network’s voting power is exposed to public security risks, threatening the network’s ability to stay live. In a proof-of-stake network like Sui, consensus halts if roughly 33.3% of the voting power is disrupted. Our analysis showed that 3,955 voting power (~39.6%) was exposed - leaving a dangerously thin margin of only 621 voting power before a network-wide halt could o...