Sui Reveals Cause of Three Mainnet Outages After v1.72 Upgrade

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In crypto, after the v1.72 upgrade Sui suffered three Layer-1 mainnet outages on May 28-29 caused by two bugs: a gas-charging flaw tied to new address balances that triggered the first two halts and a randomness-state bug that caused a third outage after validator restarts. The Sui Foundation's post-mortem said no user funds were at risk but the incidents pushed SUI down about 8% to ~$0.90 and roughly 19% for the week, underscoring security and upgrade risks for the protocol and market impact on the token.
- Sui’s v1.72 upgrade introduced two separate bugs that caused three mainnet outages.
- The first two halts stemmed from a gas-charging flaw tied to the new address balances.
- A separate randomness-state bug triggered the third outage after validators restarted.
Sui Foundation has released a detailed post-mortem explaining the three separate outages that halted the network on May 28 and May 29.
According to the foundation, two bugs introduced through the v1.72 software release caused the disruptions. The incidents shut down the Layer-1 blockchain three times in less than two days and triggered a sharp decline in the SUI token price.
SUI fell about 8% during the outage sequence to a low near $0.90. The token was trading around $0.90 on Monday and was down roughly 19% over the week.
The foundation said no user funds were at risk during any of the outages and no comp…
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