Sui stability risks following 1.72 update failures

The 1.72 software update triggered a six-hour mainnet halt on May 28, 2026, because the new code crashed the gas charging logic. This bug stopped validators from processing blocks and paralyzed regular network operations. As traders responded to concerns over network stability, the SUI token dropped 8% toward the $0.92 level. Two additional halts occurred on May 29. These incidents stemmed from errors in how the software handled gas charging and changes regarding address balance behavior. The crash happened because the new code path is correct for normal operation but fails under a rare transition condition, proving that a single software edge case can become a multi-hour outage for an entire ecosystem. This failure in fee logic impacts the intersection of state transitions, metering, and economic safety. A transaction valid under old balance semantics can become invalid under new semantics. If a gas refund path hits an edge case when an account balance representation changes, the network stops. The crash also occurred because a metering rule for a specific opcode or runtime call became inconsistent with how the VM charges for execution. The incident disrupted validator coordination throughout the network as gas charging methods remain essential to transaction execution. No user funds were reported lost or compromised during the downtime.

Randomness state and validator restart errors

A bug involving randomness state persistence caused further disruptions when validators restarted during an epoch change. The network failed to preserve the randomness state correctly during these transitions. Because randomness influences leader selection, committee sampling, and MEV mitigation strategies, this failure creates liveness risks. Randomness is often treated as an auxiliary feature, but it is deeply tied to leader selection and fair sequencing assumptions. When validators restart and fail to reload the correct state, they cannot progress. The discrepancy between validator behavior and protocol state requirements caused the halt. This issue shows the difficulty of striking a balance between network stability and quick expansion for growing networks. Validators must coordinate to resolve these state discrepancies and maintain block production.

Can the core team prevent these state divergence issues during future epoch boundaries?

Scaling speed versus user retention

Sui reached a milestone with total token volume exceeding $810 billion, yet monthly active addresses plummeted from 25 million to fewer than 900. This massive decline in users occurred alongside a period of market weakness. Adeniyi Abio defended the rapid deployment of updates as a necessity to maintain market competitiveness. You should watch how these frequent software errors impact developer trust in the long term. The gap between high social activity and low active addresses remains a significant concern for the network. Sui ranks second in social and market activity, trailing only Hyperliquid, even though the network struggles to maintain the massive user base it possessed exactly twelve months ago. The removal of gas fees for at least seven stablecoins, such as USDC, USDB, FDUSD, and USDSUI, aims to boost network activity and attract both institutional users and various AI-native applications to the ecosystem now. Sui jumped 190 spots in social sentiment during the week to secure its second-place position in market activity, an aggressive spike that signaled the network was experiencing attention build-up. While token volume crossed $810 billion, the network has fewer than 900 monthly active addresses, which compares to more than 25 million monthly active users exactly 12 months ago. The decline in monthly active users reflects broader market weakness that reduced speculative activity across several blockchain ecosystems.