The Rise and Fall of JaredFromSubway: What Retail Investors Should Know

By Patricia Miller

Jun 20, 2026

2 min read

JaredFromSubway, a notorious MEV bot, lost over $15 million, highlighting risks for traders in crypto and the dangers of sandwich attacks.

#What happened to the infamous MEV bot JaredFromSubway?

If you're following the crypto landscape, you'd know that the MEV bot named JaredFromSubway has recently become the focus of scrutiny after suffering a major setback. This bot is known for executing sandwich attacks on decentralized exchanges, which has allowed it to extract substantial profits from unsuspecting traders. The unfortunate news is that over $15 million was siphoned from its operations, illustrating how quickly fortunes can change in the crypto world.

#How do MEV bots operate in the crypto ecosystem?

Understanding how MEV bots work is essential for grasping the implications of this exploit. MEV, or Miner Extractable Value, represents the maximum profit that miners can generate by including, excluding, or altering the order of transactions in a block. The JaredFromSubway bot exploited this mechanism by monitoring pending transactions in the mempool. Upon detecting a lucrative trade, it would strategically place its own transactions to front-run and back-run the unsuspecting trader's transaction. The result is that the victim suffers from adverse pricing, while the bot profits immensely.

Since its launch in early 2023, JaredFromSubway has performed hundreds of thousands of these sandwich attacks, reportedly amassing between $34 million and $40 million in gross revenue. After considering Ethereum's transaction fees, the net profit has been estimated to exceed $6 million, showcasing the bot's efficiency in exploiting low-liquidity pools.

#What innovations emerged after the exploit?

Following the exploit, a new iteration known as “Jared 2.0” surfaced by August 2024. This upgraded version employed advanced multi-hop routing techniques, which further maximized its potential in front-running and back-running trades. Over the course of its operations, this bot completed over 85,000 transactions and accumulated hundreds of thousands of ETH, solidifying its position as a heavyweight in the MEV ecosystem.

#What does this incident mean for Ethereum traders?

This incident remains a cautionary tale for retail traders engaging in low-liquidity pools. Such environments pose significant risks, particularly without proper slippage protection. Tools like Flashbots Protect have been developed to offer some safeguard against front-running by routing transactions through private mempools, preventing exploitation. Additionally, this exploit reveals an often-overlooked aspect of the MEV landscape: the bots themselves can become targets. Since MEV operations need considerable capital locked in smart contracts, vulnerabilities within those contracts can turn them into lucrative honeypots for malicious actors.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.