Major security differences with Ethereum (Ethereum) and Cardano (ADA) blockchain. highlighted The hack resulted in a loss of $4.13 million. Cardano DRep, known as “Dori” from X, shared Cardano’s security against Ethereum in a post detailing how the breach occurred.
Ethereum MEV design leads to $4.13 million in abuse
According to Dori, the hacker exploited a vulnerability in Makinafi, a DeFi protocol on Ethereum. They claim that Ethereum’s transaction ordering design allowed the MEV bot to profit from the hack before a malicious actor could.
In particular, for the following reasons: Ethereum security structurethe MEV bot reordered the hacked transactions and captured most of the profits. This resulted in a loss of approximately $4.13 million, which was split 50-50 between the hackers and the MEV bot.
This is unreasonable. Hackers exploited @makinafi vulnerability in $EthereumBut the MEV bot detected it first and captured most of the profits. In the end, McInafy lost approximately $4.13 million to hackers and MEV bots.
It’s basically like a bank robbery, then government officials show up and… https://t.co/jWh4PInW8Q
— Dori (@dri_coin) January 27, 2026
Dori argues that Ethereum’s design, which prioritizes profit over security, makes this possible. They likened the development to “a bank robber stealing money, then government agents showing up and taking the money from the robber.”
They stressed that in a fair system, Ethereum’s priority should be to stop the hackers or recover the funds, and should not have allowed the hackers to divert the funds to themselves. Dori blames Ethereum’s security architecture for this error, as it relies on a blockchain that prioritizes profits over security.
Comparing this to Cardano, Dori argued that blockchain is a better “fair financial infrastructure.”
For context, Cardano uses the eUTXO model, Here, the validity of each transaction is independent of its execution order. If the order of transactions is changed, no profit opportunity is created. More importantly, sandwich attacks and MEV extraction are much more limited.
In Dori’s view, Cardano would not have allowed the exact situation to occur on its blockchain. Therefore, they believe that Cardano has a fairer financial system compared to Ethereum. This is because Ethereum allows powerful parties to profit when hacks occur, denying claims of being a “neutral” or “fair” financial system.
McInafy’s fund recovery confirmed
It is worth mentioning that despite Dori’s position, McInafy later recovered most of the stolen funds.
This was done in collaboration with MEV builders and validators who have implemented recovery plans for affected users.
Interestingly, despite the supremacy battle between Cardano and Ethereum, in December 2025, Midnight developers Possibility of integration between both blockchains. The idea is to directly connect Ethereum and Cardano wallets without switching ecosystems.
