TLDR
Coin Center defends MEV exploit as part of Ethereum’s open rules.
“Honest validation” is math, not morality, Coin Center asserts.
Prosecutors’ stance threatens blockchain’s decentralized design.
Legal overreach could cripple Ethereum’s protocol-based fairness.
Case may redefine limits of innovation in crypto validation ethics.
The cryptocurrency advocacy group Coin Center has filed a brief in the ongoing trial of two brothers accused of exploiting Ethereum’s Maximum Extractable Value (MEV) system to steal $25 million. The two brothers, Anton and James Peraire-Bueno, allegedly manipulated Ethereum’s blockchain using MEV bots to maximize their profits. Coin Center opposes the prosecution’s argument that the brothers misrepresented themselves as “honest validators” to carry out the exploit.
Coin Center Challenges Legal Interpretation of “Honest Validation”
In the filed brief, Coin Center argues that the U.S. government’s interpretation of “honest validation” in the Ethereum ecosystem is flawed. The advocacy group asserts that “honest validation” in cryptocurrency refers to a mathematical process, not a legal or ethical judgment. According to the Coin Center, the prosecution is attempting to impose a new code of conduct that exceeds Ethereum’s established protocol, which is neither warranted nor justifiable.
The prosecution’s theory suggests that the defendants held themselves out as legitimate Ethereum validators while committing the exploit. Coin Center rejects this idea, stating that there is no evidence that the brothers broke any of the Ethereum protocol’s rules. Instead, they contend that the Ethereum blockchain, through its consensus rules, inherently allows such behavior, which the protocol’s automated mechanisms already regulate.
Ethereum MEV and the Role of Validators in Blockchain Transactions
Ethereum’s MEV system allows participants to profit from transaction sequencing within blocks. Validators, such as the Peraire-Bueno brothers, can profit by choosing transaction orders that maximize rewards, which is considered standard behavior within Ethereum’s ecosystem. The protocol does not prohibit such practices but instead relies on economic incentives and penalties to regulate them.
The brief emphasizes that the Ethereum network’s consensus rules allow for this type of competitive behavior. Coin Center warns that criminalizing the brothers’ actions would undermine Ethereum’s decentralized, open-source design, which encourages innovation and market-driven competition. The network’s protocol automatically applies penalties, such as slashing, to validators who break the rules, making additional legal enforcement unnecessary.
Prosecutorial Intervention Threatens Ethereum’s Protocol-Based Governance
Coin Center also cautions that allowing prosecutors to impose their own legal standards on the Ethereum protocol would destabilize the network’s established norms. By creating new legal interpretations, the government could disrupt the natural evolution of Ethereum’s decentralized system. Coin Center argues that such intervention risks stifling innovation within the blockchain community.
The Ethereum network uses cryptographic and algorithmic rules to ensure fairness and prevent fraud. Validators are expected to maximize profits within the constraints of the protocol and any deviation from these rules is automatically penalized. The brothers’ actions, though contested by some, fall within the bounds of these protocol rules, which the community has accepted. Coin Center asserts that the criminal prosecution of the brothers would set a dangerous precedent for blockchain governance.

