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Home/Alt Coin News/Cardano Team Releases Update Addressing Mainnet Incident
Alt Coin News

Cardano Team Releases Update Addressing Mainnet Incident

Toby Morgan
Toby Morgan
Published:Nov 24, 2025
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Incident on Cardano mainnet causes chain split; fast response mitigates impact.

What to Know:
  • Cardano mainnet experienced a chain split due to a malformed transaction.
  • Rapid response limited the impact on ADA.
  • FBI contacted to assist in investigation.

A malformed delegation transaction on Cardano’s mainnet led to a chain split and FBI involvement, prompting urgent developer actions to address network reliability and security concerns.

The incident underscores blockchain vulnerabilities, impacts ADA markets, and raises questions about network robustness, triggering immediate developer responses and regulatory interest.

Cardano’s mainnet underwent a chain split caused by a malformed transaction, prompting swift remedial measures from developers and other stakeholders.

The incident highlights Cardano’s security challenges, with community responses focused on enhancing network reliability and quality assurance going forward.

Malformed Transaction Causes Temporary Chain Split

The mainnet incident on Cardano was caused by a malformed delegation transaction leading to a temporary chain split. Developers promptly released node version 10.5.3 to mend the issue.

Charles Hoskinson, alongside the Intersect team, provided critical leadership and incident analysis while emphasizing network survival with no major disruptions in asset security. According to Hoskinson, “Cardano is a family, and sometimes we fight and sometimes we have bad days and good days… The network survived. It didn’t stop.”

ADA Market Remains Stable Despite Incident

The mainnet saw delayed block production and risk of transaction disarray. ADA’s reputation took a hit but the market response remained mostly steady.

Financial impacts included temporary dips in staking and validator rewards, but no loss of funds was reported thanks to timely network stabilization.

Lessons from Past Network Disruptions

This incident shares a root cause with a 2022 testnet bug but was resolved swiftly without fund loss, contrasting prior Layer 1 network disruptions.

Based on past events, expectations point towards enhanced developer scrutiny and improved quality assurance measures to prevent repeat occurrences.

Disclaimer: The information on this website is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency markets are volatile, and investing involves risk. Always do your own research and consult a financial advisor.

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