On November 23rd, the Cardano network experienced a temporary chain split on Friday due to a "malformed" order transaction. This type of order transaction refers to the transaction that delegates ADA to the pledge pool. Although valid at the protocol level, it can lead to code failures that affect network functions.
According to an incident report published by the Cardano ecosystem group Intersect, the "malformed" transaction exploited an old code vulnerability in the underlying software repository of the Cardano blockchain, causing nodes to disagree on how they handle transactions and ultimately causing the network to split. The vulnerability was caused by an ADA pool operator named Homer J, who used AI-generated code to drive transactions and has admitted responsibility for causing the network to split. The pool operator was asked to download the latest version of the node software to fix the problem and reintegrate the split chain into a complete blockchain.
The temporary split has sparked debate within the Cardano community, with some arguing that Homer J's actions helped expose critical vulnerabilities, while others, such as Cardano founder Charles Hoskinson, have called it an attack on Cardano's network, which the FBI has investigated. One user joked: "No one noticed Cardano's network partition because no one used it."
Cardano suffered a temporary chain split on Friday due to an old code vulnerability
2025-11-23 03:56:10
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