Sandwich Attacks Escalating on Solana, More Than $3.2M In SOL Cryptocurrency Withdrawn In October

Imagine you intend to purchase $1M worth of a highly popular meme token on either Solana or Ethereum. In theory, you can do so. There is nothing stopping you from acquiring any outstanding coin. All it takes is to hit buy, perhaps on Uniswap or Raydium, and voila.

If you’re indifferent to the quantity you will acquire, then you’re all set. The single assurance when you press “buy” and invest $1M in that 1000X meme coin is this: you’re likely to receive one of the worst fills imaginable.

And there’s no one to point fingers at. This applies to both Solana and ETH. With the surge in meme crypto token trading, bot activity is draining every ounce of value from substantial block transactions, particularly on Solana. Bot operators engage in what are known as sandwich attacks, which aren’t illegal at all. Just rapid bots taking advantage of Solana’s transaction ordering and processing framework.

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Sandwich Attacks on Solana Unruly

Reportedly, sandwich attacks are spiraling out of control on Solana, prompting one user to take it to X, expressing their frustrations.

As of October 29, when the observation was made, over 864 SOL had been taken by 3,928 attackers. Additionally, more than 15,000 victims throughout Solana’s Decentralized finance ecosystem were left with unfavorable fills, he pointed out.

Sandwich Attacks Are Getting Out of Hand on Solana

In just the past 24 hours, an astonishing 864 SOL has been extracted by 3,928 attackers, affecting over 15,900 victims across Solana’s Decentralized finance ecosystem.

More than 15,500 “wide sandwich” attacks were carried out, extracting 864 SOL… pic.twitter.com/YgZ1f5ByiW

— Dave (@ItsDave_ADA) October 29, 2025

It’s significant that the vast majority were “wide” sandwich attacks, wherein the bot would execute front and back runs on transactions across multiple slots. Notably, in wide sandwich attacks, the validator retains the victim’s transaction in the “leader” position, allowing them to insert front or back runs in subsequent slots.

Interestingly, wide sandwich attacks prove to be profitable for validators. Furthermore, to their benefit, they can be challenging to detect since the victim’s transaction could be spaced from 10 to 100 transactions apart, necessitating intricate cross-slot tracing.

The escalating frequency of these attacks led the observer to conclude that while Solana is built for speed, it does not prioritize equity. The emphasis on fees offers bots a pathway to manipulate how Solana organizes and processes transactions, potentially siphoning billions each year.

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Jito’s Clampdown, Validators Removed

In October 2025, more than 18,000 SOL were taken from over 202,000 users attempting to swap through various Solana DeFi protocols. Over 51,000 attackers collectively spent under 340 SOL.

Just yesterday, on October 30, two bots snatched over 46 SOL after investing less than 0.1 SOL to execute their sandwich attacks.

(Source: Sandwiched)

Jito, a primary block builder on Solana, has intensified their enforcement efforts.

Recently, they removed 15 additional validators after substantial proof indicated they facilitated sandwich attacks.

Following a review of over 16 months of data, one analyst identified 23 validators who primarily staked through Jito and Marinade pools.

(Source: 0xGhostLogs, X)

He pointed out that over +6% of their leader slots exhibited wide sandwich attacks mainly directed at retail traders. Out of the 23, six also received funding from the Solana Foundation.

Apart from Jito, the Solana Foundation had dismissed more than 30 validators identified as enablers of MEV in 2024.

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