TON Blockchain Hit By Outage, Block Production Halts Temporarily

HomeNews* The Open Network (TON) blockchain experienced a temporary outage on June 1, stopping block production for about 40 minutes.

• The issue was fixed quickly by updating several main validators; no funds were lost or affected.
• Past outages in August 2024 occurred due to network congestion caused by high demand for the DOGS memecoin.
• Despite interruptions, TON continues to draw interest from both retail and institutional investors, raising $400 million in March 2025.
• Increasing complexity and high transaction speeds can make advanced blockchains more vulnerable to short outages. The Open Network (TON), an independent blockchain connected with Telegram, stopped producing blocks on June 1. The outage lasted for approximately 40 minutes before normal operations resumed.

• Advertisement - The development team identified the problem at 12:51:00 UTC and released a patch to fix it. According to TON developers, “A quick fix was released, and updating only a few master chain validators was sufficient to resume block production. The incident was related to an error in the processing of the masterchain dispatch queue.” The team also stated that users’ funds remained safe and that pending transactions were not affected.

Earlier outages in August 2024 were caused by high traffic from the minting of the DOGS memecoin, which led to network congestion. Specifically, on August 27, block production stopped at a particular point (workchain block 45,341,899), and the network remained offline for several hours before validators reset their systems to restore service. Functionality returned briefly, but another outage occurred hours later for the same reason. The next day, block production stopped again at workchain block 45,350,522 for about six hours before normal activity resumed.

Despite these issues, TON has maintained strong interest from both individual and institutional investors. In March 2025, TON secured $400 million from major venture capital firms such as Sequoia Capital, Draper Associates, CoinFund, and SkyBridge.

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