Crypto Post-Mortem: Here’s How Pump.Fun Was Exploited For $2 Million
May 17 2024 - 9:00PM
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Solana-based platform Pump.fun suffered an exploit that left the
crypto community with many questions. The attack stole millions of
dollars in users’ funds, but the reasons behind it and the exact
amount of the loot were unclear. Amid the uncertainty, some claimed
that a crypto Robinhood had emerged. Related Reading: Bitcoin Still
Has “A Lot Of Room To Run Before Reversal,” Says Top Analyst $80
Million Taken In Crypto Heist? On Thursday, the platform Pump.fun
announced its bounding curve contracts had been compromised. In the
post, the team alerted users that all trading was temporarily
halted while they investigated the incident. Pump.fun is a trading
platform created to “prevent rugs” by ensuring that all created
crypto tokens are safe. The platform allows users to easily launch
instantly tradeable tokens with no presale and no team allocation.
This solution became an extremely popular alternative among
influencers and users who wanted to create tokens without the
complexity or high costs of launching a project. It uses bonding
curve contracts for the tokens, a mathematical model that
determines a token’s price based on supply, increasing with the
number of tokens bought. After the token’s market capitalization
reaches $69,000, part of the liquidity is deposited on Raydium to
be burned. Since the attack, the team has assured users that the
contracts have been upgraded to prevent further fund loss, adding
that the protocol’s total value locked (TVL) is safe. However, the
community’s reports were contradictory and alarming. Some users
claimed the attacker had taken $80 million in crypto from the
platform’s bonding curve contracts, which worried the affected
users. According to Lookonchain’s report, the hacker was quickly
identified. At first, he pretended to be an unaware user, asking
what the damages were. However, he later accused the platform’s
founders of withdrawing the exact amount stolen a day prior. An X
user claimed the individual chose to “be a Robin Hood, dropping
hacked cash to $SOL communities.” The attacker also stated in a
post his desire to “change the course of history.” However, his
“heroic outlaw” endeavors affected 1,882 addresses. What Happened?
Despite the speculation and the attacker’s posts, it was later
revealed that he was a Pump.fun ex-employee. In its post-mortem
post, the platform’s team revealed that the individual had used
their position to misappropriate funds from the bonding curve
contracts. The attacker illegitimately accessed the accounts after
obtaining the private keys, “using their privileged position at the
company.” The former employee used flash loans from Solana lending
protocol to steal 12,300 SOL, worth around $1.9 million. Per the
post, he borrowed SOL to buy as many tokens as possible in
Pump.fun. When the tokens hit 100% on their respective bonding
curves, the attacker used the keys to access the bonding curve
liquidity and repay the flash loans. Fortunately, the attacker
could only access $1.9 million out of the $45 million liquidity in
contracts. Since then, the team has redeployed the bonding curve
contracts and offered a plan to help affected crypto investors.
Related Reading: Fetch.AI Soars 14.5% As AI Tokens Surge, Can FET
Reach $4? To make users whole, the team will “seed the LPs for each
affected coin with an equal or greater amount of SOL liquidity that
the coin had at 15:21 UTC within the next 24 hours.” Moreover, they
are offering 0% trading fees for the next 7 days. As a user pointed
out, this action is “non-trivial” since Pump.fun makes $1 million
daily from fees. Featured Image from Unsplash.com, Chart from
TradingView.com
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