IOG CEO Charles Hoskinson has rejected the accusations of “vibe coding” halting the Cardano blockchain.
“That is an instance of a story that’s fallacious on so many ranges…” the Cardano founder mentioned in a current social media put up.
“A extremely private assault”
Earlier this week, a stake pool operator submitted a malformed delegation transaction to the Cardano mainnet.
The transaction focused Charles Hoskinson’s private stake pool, exploiting a deserialization bug in a cryptographic library courting again to 2022. Newer nodes parsed it incorrectly, whereas older nodes rejected it.
“It is a very obscure, arcane bug that got here from a library from 2022, and three years later was found. So, somebody in all probability fairly sensible who’s fairly aware of Cardano stumbled throughout one thing and thought that they have been being cute and intelligent. These items occur,” Hoskinson mentioned.
This resulted in a sequence break up, with the rejected chain rejecting malformed transactions and persevering with usually, and the poisoned one inflicting invalid blocks and a brief community partition.
Hoskinson has said that this was “clearly” a extremely private assault.
He has additionally burdened that the community didn’t truly go down, and it has proven that it’s able to surviving such “catastrophic” occasions.
Block manufacturing truly continued on each chains, and the community ended up converging by way of node upgrades.
Vibe coding?
Homer J, the attacker, admitted duty on the X social media platform and expressed remorse.
He claims that the exploit originated from a private “problem,” and AI was used as steerage in his testing, however he ended up misapplying it, which triggered community disruption. This created the narrative about vibe coding, the follow of writing laptop code with the assistance of AI instruments, halting Cardano.
Wait somebody halted Cardano immediately with a vibe coded exploit? LOL https://t.co/MgE9CBAWFP
— zodomo.eth (🌍,💻) (@Zodomo) November 22, 2025
In his social media put up, Nic Carter described the exploit as “some man vibe coded an exploit which introduced down all the Cardano blockchain.”
Nonetheless, Hoskinson insists that this narrative is fake, and it’s undoing ten years of “formal strategies, excessive assurance engineering, and meticulous science.”





