Bots Drive $480B Stablecoin Volume on Ethereum

According to crypto platform CEX.io, 4.84 million stablecoin transfers occurred on Ethereum’s layer-1 network in May, pushing volume to a record $480 billion. The activity was largely automated, signaling a shift in how liquidity and utility are shaping the network.

Lead analyst Illia Otychenko linked the spike to reduced transaction fees in early 2025, reversing a trend of users and liquidity migrating to rival chains and layer-2 solutions. As a result, Ethereum’s mainnet saw an 11% rise in stablecoin market cap this year, while L2 networks saw only a 1% decline.

Stablecoins Shift DeFi Focus Toward Real Utility

Once criticized for MEV manipulation and sandwich attacks, bots are now credited for improving efficiency on Ethereum’s DEXs. In April, stablecoin swaps accounted for 37% of all DEX trades on Ethereum — 32% in May.

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The trend reflects a growing focus on real-world payments and stable value transfers. USDC, issued by Circle, became the most traded asset on the network — further signaling Ethereum’s shift toward being a stablecoin infrastructure layer.

Otychenko believes this isn’t a passing trend. “Speculative tokens come and go, but stablecoins stick because they solve real problems,” he said, pointing to the growing need for fast, borderless payments in emerging economies.

Challenges Remain for Ethereum’s Long-Term Lead

Despite its momentum, Ethereum faces key challenges — particularly liquidity fragmentation across layers. Otychenko emphasized that overcoming these hurdles is essential: “This isn’t just a technical issue. It’s what will decide whether Ethereum leads or lags in the next phase of adoption.”

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Revolutionizing the Block Proposal System!

Published on March 1, the “Decentralized Random Block Proposal” introduces a Byzantine Fault Tolerance (BFT)-based algorithm to fully decentralize block building and accelerate transaction propagation across the network.

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While Ethereum’s Proof-of-Stake model and proposer-builder separation (PBS) have mitigated MEV concentration to some extent, block production has become more centralized.

Ethereum Foundation researcher Toni Wahrstätter reported that in early October, two block builders were responsible for 88.7% of Ethereum blocks. Although this number has dropped to around 80%, it remains a significant centralization concern.

How This Proposal Eliminates MEV!

According to Malik672, the new system would:

• Distribute block building across thousands of clients, eliminating central control.
• Prevent MEV-based manipulation, ensuring fair transaction processing.
• Restore Ethereum’s trustless and decentralized ethos.
• Reduce slot times from 12 seconds to 6-8 seconds.

This proposal aligns with Ethereum developers’ decision on February 13 to accelerate the network’s upgrade cadence for a more efficient technical roadmap.

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What is MEV?

MEV refers to the maximum value that can be extracted from block production beyond the standard block reward and gas fees. This is achieved by strategically including, excluding, or reordering transactions within a block.

Express Relay connects DeFi protocols to a network of searchers through protocol-controlled auctions for valuable transactions, such as liquidations. This empowers protocols to potentially eliminate MEV and significantly reduce the cost of critical operations like liquidation rewards.

Searchers are specialized actors who identify and exploit MEV opportunities. In Express Relay, these include prominent names like Flow Traders, Wintermute, Auros, Flowdesk, Caladan, Tokka Labs, and Swaap Finance.

Benefits of Express Relay

Reduced MEV: By enabling competitive bidding among searchers, Express Relay strives to minimize MEV extraction, potentially leading to cost savings for DeFi protocols.

Improved Liquidation Efficiency: The platform facilitates more efficient liquidation execution, potentially benefiting both protocols and users.

More Equitable DeFi Ecosystem: Express Relay promotes a fairer DeFi environment by allowing protocols to redirect saved resources towards user benefits or other productive initiatives.

Streamlined Searcher Integration: The service aggregates liquidation and other DeFi transaction opportunities across various protocols and blockchains, simplifying access for searchers.

Early Adoption and Industry Support

Several DeFi protocols, including Synthetix, Zerolend, Ionic, Synonym, Keom, Jax Finance, Vela Exchange, and Fulcrom Finance, have already begun integrating with Express Relay. This streamlines their liquidation processes and potentially improves capital efficiency.

MEV is not inherently negative, as it can contribute to market efficiency and incentivize participation. However, it can also raise concerns about fairness, decentralization, and network costs. Express Relay represents one approach among various solutions and protocols aiming to create a more balanced blockchain ecosystem.

Originally designed for Solana, Pyth Network now provides real-time market data for cryptocurrencies, equities, FX, and commodities across over 50 blockchains. This includes major networks like Ethereum, Optimism, Arbitrum, and Base.

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Swift and Sophisticated Heist

James Pepaire-Bueno, 28, of New York, and Anton Peraire-Bueno, 24, of Boston, are the ones who have been charged with money laundering, wire fraud, and conspiracy. These charges are the outcome of a complex scheme that utilized MEV, an important feature of the protocols for decentralized financing (DeFi). MEV is the maximum value that a user or a group of users may gain from a particular DeFi protocol or smart contract, usually through complex trading techniques, by extracting its worth.

Damian Williams, the US attorney in charge of the Southern District of New York, emphasized that this case is one of a kind. “There was never before any charge for this so-called distinctive kind of scheme.” “However, the indictment shows that the career prosecutors of this office will be tireless in chasing those who try to ruin the integrity of all financial systems, no matter how sophisticated the fraud or how new the techniques that they use to accomplish it,” Williams said.

High Stakes and High Penalties

The brothers, who have obtained computer science and mathematics degrees from renowned colleges, lost “searchers”—the traders that run the MEV bots that trade the cryptocurrencies. The Indictment says that the brothers, the generators of the scheme, carefully studied the way to carry out their crime, the way to hide their crime, as well as how to launder their earnings through cryptocurrency exchanges with lax “know your customer” policies.

The brothers sought information online on how to carry out the exploit, how to hide their involvement, the specifics of the extradition process, and the legal consequences for their actions while they were preparing. This information was given by the Department of Justice.

Anton and James may be confined for 20 years each if they are convicted in each case. They have appointments with magistrate magistrates in Massachusetts and New York today.

Legal and Financial Implications

This example demonstrates that financial crimes are becoming more and more complicated in the digital era and how strong legal systems are the key to fighting them. One of the major issues is the current situation whereby MEV is exploited within the DeFi protocols, which has resulted in the creation of new instruments and methods to make profits and protect the financial system.

The financial regulators and the cryptocurrency community will be the ones observing the legal processes as they evolve. With the ever-changing world of cryptocurrencies, the final outcome in this case may be the guiding principle for similar cases and laws in the future.

The post Two Brothers Arrested for $25 Million Ethereum Blockchain Heist appeared first on Coin Engineer.

Buterin discussed the issues of MEV, liquid staking, and node costs on Ethereum.

“These are also things that I personally worry about from time to time,” Buterin said, adding that he believes these problems can be solved.

To address the MEV issue, Buterin proposes quarantining MEV (eliminating developers’ ability to extract transactions within a block).

Running a single node on the Ethereum network comes with a high hardware cost. Additionally, a person needs to stake at least 32 Ethereum.

Vitalik Buterin wrote that this cost can be reduced and Ethereum can become an exemplary project for the industry with decentralized staking pools.

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