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June 21, 2026
Altcoins · · 2 mins read · 329 words

Notorious ‘sandwich attack’ bot Jaredfromsubway.eth exploited Ethereum

Notorious ‘sandwich attack’ bot Jaredfromsubway.eth exploited Ethereum through MEV manipulation, per Cryptoadventure and CoinDesk.

Elena Petrova
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Elena Petrova J.D. Verified
Regulation Correspondent
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This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency markets are highly volatile. Always do your own research before making any investment decisions.

The biggest single transfer moved 1,423 ETH worth $2.46 million, while ETH prices hovered near $1,725 that day. This $7.5M exploit raised alarms about risks in the rapidly evolving MEV sector, according to CoinDesk.

Cryptoadventure explains that the hack drained over 4,400 ETH within a single day, with the largest withdrawal of 1,423 ETH valued at $2.46 million on June 20. The bot then made three transfers of 1,000 ETH each, sending funds to different addresses. Altogether, this amounted to around $7.6 million, CoinDesk confirms.


Financial Impact and Transaction Details

According to Cryptoadventure, about 4,423 ETH moved from the compromised address with a value near $7.6 million at the time. The bot’s assets were quickly emptied through clustered transactions on June 20, involving four main transfers: the 1,423 ETH withdrawal and three subsequent 1,000 ETH transfers.


Understanding Sandwich Attacks and MEV Bots

Bots like Jaredfromsubway.eth execute sandwich attacks by inserting buy orders immediately before and sell orders just after their victims’ transactions. MEV (Miner Extractable Value) bots constantly scan the mempool to spot profitable transactions for exploitation.


Gas Costs and the Bot’s Activity

The bot’s strong hunt for MEV profits triggered intense on-chain activity, drawing notable attention from the Ethereum community due to its outsized gas consumption. This bot was a gas-guzzling whale. The high gas spends contrast sharply with losing over 4,400 ETH, showing the fragile balance MEV bots face between gains and risks.


Implications for Ethereum and DeFi Security

The Jaredfromsubway.eth exploit renewed focus on the risks tied to MEV bot operations and DeFi protocol approvals.


Market Reaction

The market is closely watching for impacts on related DeFi projects and liquidity pools. Despite the news, Ethereum’s price remains steady near $1,725, signaling cautious investors.

More expert analysis on notorious sandwich attack bots is available. Ongoing reviews focus on MEV bot actions and Ethereum’s evolving security systems.

Disclaimer: The content on this page is for informational purposes only and does not constitute financial advice. Always do your own research before making investment decisions.

Elena Petrova
About the author
Verified
Elena Petrova
Regulation Correspondent · 10+ years experience

Elena Petrova is a regulatory correspondent specializing in crypto law and policy with over 10 years of financial journalism experience. Formerly a finance reporter at Reuters, Elena covers SEC enforcement, MiCA implementation, and global stablecoin regulations. She holds a J.D. from Georgetown Law and is a member of the New York State Bar. Her regulatory analysis is frequently referenced by compliance officers and legal teams at major exchanges.

Education
J.D. Georgetown Law, B.A. International Relations, LSE
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Conflicts of interest

I have no current legal practice or retainer relationships with any cryptocurrency company. Past employment relationships are listed publicly.

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