Sui Traces Three Mainnet Halts to Upgrade Bugs Across Thursday and Friday

According to the Sui Foundation's Sunday review, the blockchain suffered three separate outages across Thursday and Friday due to two distinct bugs introduced with its v1.72 software release. The first halt began around 10 a.m. ET Thursday and lasted until approximately 4:30 p.m., followed by a second outage early Friday resolved by late morning. A third halt occurred around 4:30 p.m. ET Friday and lasted until about 10:20 p.m.

The first two halts stemmed from the same flaw in how Sui charges transactions for gas, exposed by the new "address balances" feature. A transaction could be canceled for insufficient funds while the network still spent those funds, producing negative balances that crashed validator reconciliation. The interim fix deployed Thursday carried a known halt risk, which materialized Friday morning. The third halt was triggered by a separate bug in the network's randomness settings that activated during validator restarts. The foundation said no user funds were at risk and no settled transactions were reversed.