Sui Blockchain Suffers Six-Hour Total Outage – SUI Price Remains Unfazed

Second Major Outage in Short Period

The Sui blockchain experienced a severe network outage on Wednesday that paralyzed the system for almost six hours ^[2]. During this time, no new blocks were produced, bringing the mainnet to a virtual standstill ^[1]. The development team confirmed the incident on platform X as a "Network Stall" and worked intensively on a solution ^[2].

The Sui team warned users that decentralized applications such as Slush and SuiScan might be unavailable and that transactions could be delayed or temporarily fail ^[1]. After more than two hours without new block production, the official status page reported late in the evening that validators had implemented a fix and the system was fully operational again ^[2].

Validator Consensus as Root Cause

The outage was attributed to a problem with validator consensus, which the core team actively worked to resolve ^[1]. Stakeholder Reset confirmed that there were no critical risks to user funds and that delays were to be expected until normal operations resumed ^[1]. The Sui Foundation announced it would publish a detailed report on the exact causes in the coming days ^[2].

This marks the second major outage for the network within a short period. In November 2024, a similar situation occurred in which all validators became stuck in a crash loop ^[2]. Other leading Layer-1 networks such as Solana have also experienced comparable disruptions in the past ^[1].

Image Problem for the "Solana Killer"

The technical instabilities could tarnish the image of the blockchain, which positions itself as Solana's biggest competitor and aims to distinguish itself precisely through high throughput and reliability ^[2]. Technically, Sui differentiates itself through parallel transaction processing and horizontal scaling, developed by Mysten Labs ^[2]. The team largely consists of former Meta executives who previously worked on the discontinued Diem project ^[2].

Market Reacts Calmly

Despite the outage, the crypto market showed surprising composure. The SUI token gained 2 percent in the 24 hours following the incident and traded at $1.85 ^[1]. On a weekly comparison, the token recorded an increase of 1.4 percent ^[2]. This contrasts with the broader crypto market, where Bitcoin led a strong rally and traded above $97,000 ^[1].

The price stability differs markedly from earlier daily gains when SUI temporarily reached highs of $1.92 ^[1]. Year-to-date, SUI has gained over 30 percent, making it one of the best-performing cryptocurrencies of 2026 ^[1]. Analysts note that the stable price reflects strong market support and active market makers who help mitigate the impact of network problems on token value ^[1].

Technical Outlook Remains Positive

From a technical perspective, the 4-hour chart shows the formation of a bullish pennant, suggesting a continuation of the previous strong uptrend ^[1]. After a consolidation phase between $1.40 and $1.50, SUI rose to nearly $1.95, marking a strong bullish impulse ^[1]. The Relative Strength Index (RSI) stands at around 55, indicating moderate bullish momentum without being overbought ^[1]. Traders are targeting the $2.10 to $2.20 level as the next target zone ^[1].

Whether the repeated outages will have long-term effects on institutional adoption remains to be seen ^[2].