How Did Makina Finance Lose $5 Million in a Flash Loan Heist?

How Did Makina Finance Lose $5 Million in a Flash Loan Heist?

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In a significant security incident from 2025, the decentralized finance (DeFi) platform Makina Finance was hit by a sophisticated oracle manipulation attack, resulting in approximately $5 million being drained from its DUSD/USDC Curve stablecoin pool. This high-profile Makina Finance flash loan attack leveraged a massive flash loan to manipulate pricing data, highlighting ongoing vulnerabilities in DeFi protocols.

The Intricacies of the DeFi Heist

The orchestrator of this sophisticated exploit targeted Makina Finance’s DUSD/USDC Curve stablecoin pool, initiating the operation with a colossal flash loan of 280 million USDC. A substantial portion, specifically 170 million USDC, was strategically deployed to create a temporary, yet critical, imbalance within the MachineShareOracle. This oracle was directly linked to the pool’s pricing mechanism, making it a prime target for manipulation.

Following this precise manipulation, the attacker proceeded to exchange the remaining 110 million USDC within the now vulnerable pool. This move effectively depleted most of its assets, siphoning off funds estimated at around $5 million. The complexity of the attack underscored the evolving threats faced by DeFi platforms that rely heavily on external data feeds for asset valuation.

An Unexpected Twist: The MEV Builder’s Role

Interestingly, the aftermath of the Makina Finance flash loan attack revealed an unexpected twist: the intervention of a Maximal Extractable Value (MEV) builder. Blockchain security firm CertiK’s report highlighted that an MEV builder managed to front-run portions of the attacker’s transactions, capturing a significant chunk of the siphoned funds. Approximately $4.14 million was reportedly seized by the MEV infrastructure, effectively outmaneuvering the original attacker.

Estimates regarding the total financial impact of the incident varied among different security firms. While CertiK pegged the loss at roughly $5 million, GoPlus Security calculated it to be around $5.1 million. In contrast, PeckShield reported the withdrawn assets were equivalent to $4.13 million in ETH. Makina Finance, launched in February 2025, positions itself as a DeFi execution engine offering institutional-grade strategy vaults, and at the time of the breach, held a total locked asset value of $100.49 million, according to DefiLlama.

Makina Finance’s Response and Communication Challenges

In the immediate wake of the incident, Makina Finance’s official communication channels, such as X (formerly Twitter) and Telegram, remained silent. The first acknowledgment of the breach came through their Discord server on a Tuesday morning, where the team addressed public chatter while verifying details. This initial delay in official communication sparked some concern within the community.

Roughly two hours later, a second message was dispatched, confirming that the issue appeared to be confined to DUSD liquidity provider positions on Curve. The platform advised affected liquidity providers to withdraw their funds. However, a direct and explicit admission of the $5 million loss was notably absent from these public statements, leading to questions about transparency during crisis management.

2025: A Challenging Year for Crypto Security

The Makina Finance flash loan attack was unfortunately not an isolated event but rather indicative of a broader trend that plagued the crypto sector throughout 2025. That year saw a significant uptick in security incidents, with Chainalysis reporting over $3.41 billion in crypto thefts. North Korean-linked actors were particularly active, claiming an unprecedented $2.02 billion share of these illicit gains, making 2025 a record year for such activities.

This incident, along with many others, underscores the persistent systemic risks associated with large-scale flash loan operations within DeFi protocols, especially those heavily reliant on external price oracles. As the crypto landscape continues to evolve, the need for robust security audits, decentralized oracle solutions, and proactive risk management remains paramount. Staying informed about such events is crucial for participants, and platforms like cryptoview.io offer comprehensive insights into market dynamics and security alerts, helping users navigate these complex waters. Find opportunities with CryptoView.io

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