Butter Bridge Blunder: 1 Quadrillion MAPO Tokens Minted in Audacious Heist

The Farce Unveiled

• A cunning exploit in Butter Bridge V3.1 allowed the minting of nearly 1 quadrillion MAPO tokens-a spectacle of greed and folly.
• The calamity arose from a hash collision, a blunder in the bridge’s retry message verification logic, as if the gods of code had turned their backs.
• A paltry 1 billion MAPO was dumped for ~52.21 ETH (~$180K), while the thief clings to the remainder, a hoarder of digital phantoms.

In a tale that could only be spun in the absurd theater of DeFi, MAP Protocol and ButterNetwork have confessed to a breach in their Butter Bridge V3.1 system on Ethereum and BNB Chain. An audacious attacker, with a mind as sharp as it is devious, minted nearly 1 quadrillion MAPO tokens-a number so vast it mocks the very concept of value.

The farce was first exposed by the vigilant hounds at Blockaid, who revealed that the attacker conjured fake tokens and spirited them away to a freshly minted wallet, as if reality itself were but a plaything.

The Anatomy of Absurdity

In a post on the digital square, Blockaid revealed the attacker exploited a weakness in the bridge’s retry message verification process-a flaw as gaping as a drunkard’s mouth.

The bridge, in its infinite wisdom, employed the keccak256(abi.encodePacked(…)) method to verify data, a technique as flawed as a philosopher’s argument. This method, which packs data like sardines in a tin, allowed different arrangements of the same data to produce identical hashes, turning the system into a fool’s errand.

“The root of this comedy lies in an abi.encodePacked collision across dynamic-bytes fields in our bridge retry path, permitting a forged retry to slip past the guard check,” ButterNetwork admitted, laying bare the folly at the contract layer.

The exploit unfolded in a series of steps as intricate as a clockwork orange, combining message replay and address manipulation.

According to Blockaid, the attacker first initiated a legitimate MAP→ETH bridge message, signed through oracle and multisig validation. This message was sent to a precomputed contract address, a void at the time, causing the bridge to store it as a retry entry.

Next, the attacker deployed a new contract at the same address-a feat as audacious as it is permissible in the blockchain’s labyrinthine rules. With the contract in place, the attacker replayed the retry function, altering the message data’s structure.

Despite the changes, the encoded result remained unchanged, fooling the system into believing the message was valid. It passed all checks, allowing the attacker to mint 10 to 15 MAPO tokens in a single stroke-a heist as elegant as it is absurd.

The Great Dump

With tokens in hand, the attacker swiftly began selling them. On-chain data reveals that about 1 billion MAPO was dumped into a Uniswap V4 pool paired with ETH, resulting in a loss of ~52.21 ETH (~$180,000). The sale disrupted the liquidity pool, a ripple in the pond of DeFi’s fragile ecosystem.

Blockaid reports that the attacker still holds approximately 999.999 billion MAPO tokens, a hoard that poses an ongoing threat. Should the attacker sell more, the price could plummet, or other pools and exchanges might feel the tremors of this digital earthquake.

The Response of the Embarrassed

ButterNetwork, with a straight face, claimed the vulnerability was a smart contract design issue, not a protocol-level failure. They assured the public that patching and redeployment are in progress-a promise as hollow as a politician’s vow.

“The bug resides in the Butter contract layer. Patching, auditing, and redeployment are underway,” they posted on X, pausing all operations while the investigation continues. They also claimed user funds are safe, and pending swaps will resume once the farce is mended.

MAP Protocol, meanwhile, warned users to avoid trading MAPO tokens on Uniswap, as liquidity pools remain at risk-a caution as late as it is necessary.

The Broader Farce of DeFi

This incident joins a growing list of DeFi exploits in 2026, a year that has seen more heists than a Wild West town. Just last week, Huma Finance was relieved of about 101,400 USDC. Earlier that day, INK Finance suffered a breach involving approximately $140,000 in losses.

Other protocols, including Kelp DAO, Drift Protocol, and Hyperbridge, have also fallen victim to the marauders of code. The total funds stolen in DeFi-related exploits this year alone are estimated to exceed half a billion dollars, with most cases stemming from smart contract logic errors-a testament to the fragility of our digital fortresses.

Read More

• USD RUB PREDICTION
• USD JPY PREDICTION
• APT PREDICTION. APT cryptocurrency
• SOL PREDICTION. SOL cryptocurrency
• WLFI PREDICTION. WLFI cryptocurrency
• ZEC PREDICTION. ZEC cryptocurrency
• BNB PREDICTION. BNB cryptocurrency
• Bitcoin Leverage on Binance Hits Yearly High: Are Traders Overconfident?
• Nvidia Stock Price: Bull Flag Pattern Signals May 2026 Rally?
• HYPE PREDICTION. HYPE cryptocurrency

2026-05-20 23:33