This story was originally published on HackerNoon at: https://hackernoon.com/cardanos-14-hour-stress-test-how-the-network-took-a-hit-and-healed-itself.
This incident was an exception and highlighted areas where Cardano can improve while also demonstrating its strengths.
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Cardano suffered a 14 hour, self-repairing chain fork on November 21st, 2025. This is the largest degradation of service for Cardano in its 8 years of operation. A serialization bug caused a unidirectional soft-fork.