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CASE FILE #19
Rug PullEthereumYield

LV Finance

September 19, 2020

CAUSE OF DEATH

Backdoored addReward() function. Admin-controlled mass withdrawal. Textbook rug.

TOTAL LOST
$334K
CHAIN
Ethereum
TYPE
Rug Pull
📄

FORENSIC REPORT

TIME OF DEATH

Time of death: September 19, 2020, approximately 3:47 PM UTC. The specimen — LV Finance yield farming protocol — was pronounced dead on arrival at the blockchain coroner's office. External examination revealed twelve separate staking contracts (addresses catalogued at scene), each presenting with identical pathological markers: a functional addReward() function that should never have existed in its current form.

CAUSE OF DEATH ANALYSIS

Cause of death analysis: The contracts operated with what we in the field call 'administrative god-mode architecture.' The addReward() function, ostensibly designed for legitimate reward distribution, was in fact a loaded revolver left on the kitchen table. An external address — acting with full contractual authority — invoked this function across all twelve victims simultaneously, triggering systematic withdrawal of deposited user funds. The transaction at 0xa5b92bb943f4ddae... shows textbook execution: calculated, efficient, merciless. Total extraction: 201.5K USDC, 79.6K USDT, 8.1 LEND, 2.7K SUSHI, 816 UNI, 1K LINK, 1.3 SNX, 261 YFV, 0.02 YFI, 82.1 PYLON, 0.76 YFII. All converted to ETH for rapid transport to destinations unknown.

CONTRIBUTING FACTORS

Contributing factors: The pathology here is almost insulting in its transparency. No flash loans, no complex sandwich attacks, no elegant exploits requiring postdoctoral-level mathematics. This was premeditated. The backdoor was written into the code from inception — a deliberate trap masquerading as yield infrastructure. Users deposited their assets into what appeared to be legitimate DeFi products, completely unaware they were feeding a machine designed specifically to harvest them. The contracts bore no warning labels. No timelocks. No multisig oversight. The admin functions operated with the casual brutality of absolute power.

VICTIM IMPACT

Victim impact: Hundreds of depositors across multiple token ecosystems lost their principal simultaneously. The psychological damage transcends the financial losses — these were early-stage yield farmers, the true believers of 2020 DeFi summer, who thought they'd found the next big thing. Instead, they found a sophisticated exit scam with excellent documentation. The $333,987 in total losses represents shattered confidence, missed opportunities, and a hard lesson in contract transparency.

PATHOLOGIST'S NOTE

Pathologist's note: I've performed roughly five thousand autopsies on deceased DeFi protocols, and I continue to be amazed by how many corpses present with preventable causes of death. LV Finance didn't suffer from a sophisticated vulnerability or an obscure mathematical edge case. It died because someone decided to steal from its users and built the mechanism for doing so directly into the foundation. The truly damning part? This same pattern will repeat itself another thousand times before the space learns to systematically audit its contracts or demand open-source verification. The backdoor addReward() function is humanity's oldest trick dressed up in Solidity. We never learn.

"LV Finance's staking contracts contained a hidden kill switch disguised as reward logic. Twelve contracts systematically drained. $333K evaporated into ETH on September 19th."

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Data from De.Fi REKT Database