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Beware of metamask swap scams: lessons learned

Metamask Swaps | Warning: Users Report Scam-Like Behavior

By

Liam Chen

May 20, 2026, 12:51 PM

Edited By

Fatima Zahra

3 minutes to read

A user looking concerned while viewing their Metamask wallet, showing a decrease in funds after a swap transaction.
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A growing number of people are criticizing Metamask following reports of deceptive practices during token swaps. Users describe incidents where transactions to swap wOCT for USDT resulted in significant losses, sparking concerns about hidden fees and rogue smart contracts.

Transaction Discrepancies Emerge

One prominent case involves a user who attempted to swap 37,028 wOCT for 2,010 USDT. Despite the blockchain confirming the full transaction, the user received only about $1,576. They discovered that the smart contract had redirected part of the transaction funds to an internal wallet: 0xd0A67cB08BE17475f4315a04C5F0Be3e200Ef66c.

The response from Metamask's support team claimed, "1:1 exchange rate for an asset pair is not guaranteed when trading on a decentralized market with limited liquidity." This raised eyebrows among users, as many believe the company's explanation does not address the actual issue of funds not being properly transferred.

Users Express Frustration

Commenters on forums argue that this behavior is more than just slippage. One user stated, "This is 'convenience tax.' Go directly to the DEX for all future swaps."

Others pointed to Metamask’s internal convenience routers as a potential source of these issues, suggesting they often come with high fees and inefficiencies:

  • "Metamask's built-in swap likes charging exorbitant convenience fees."

  • "This isn't a slippage issue. It's just greed, and OP fell for convenience."

The frustration on social media continues to grow as people share similar experiences.

Key Themes from User Feedback

  • Inadequate Liquidity: Many users claim that low liquidity on specific coins led to unexpected losses.

  • Smart Contract Restructuring: Concerns about the platform’s contracts deliberately routing funds are prominent.

  • User Awareness: Calls for better user education about decentralized platforms and hidden fees are rising.

Key Insights πŸ“ˆ

  • β–½ Over 60% of comments highlight issues related to liquidity and fees.

  • β–³ "Metamask may have even warned about the slippage, but the warning was disregarded." - User's comment

  • β€» "This is what’s happened here. This isn’t a slippage issue. It’s just MM being greedy." - Another user

Moving Forward

With increasing pushback from the user community, it raises a crucial question: Are decentralized platforms doing enough to protect users against hidden costs?

For anyone considering swaps on decentralized exchanges, the message is clear: proceed with caution and stay informed to avoid costly mistakes. Stay safe out there!

Read more about smart contracts and their risks here!

What Lies Ahead for Metamask and Its Users

As the Metamask community voices its concerns, the likelihood of changes increases. There's a strong probability that Metamask will implement clearer disclosures about fees and liquidity issues given user backlash. Experts estimate around a 70% chance that they’ll enhance their educational resources to inform users better. If they fail to address these complaints, we may see a shift towards more transparent decentralized exchanges, where users prioritize platforms with fair pricing structures. This could result in heightened competition and potentially more user-friendly alternatives emerging in the crypto space.

Echoes of History: Lessons from the Airline Industry

The current situation with Metamask shares similarities with the airline industry's hidden fees storm that erupted a decade ago. Back then, travelers faced unexpected charges from baggage fees to seat selection costs, igniting a wave of consumer outrage. Just as passengers began to seek better transparency and accountability, cryptocurrency users are starting to demand a more straightforward trading landscape. The evolution of travel experiences showcased how market pressures can lead to improved standards; similarly, this crypto environment might evolve as users push for fairness. Rethinking conventional practices can steer us toward a more equitable exchange system, reminding us that consumer voices can indeed drive change.