Oups, i did it again! Third and fourth hack on Balancer pools

Oups, i did it again! Third and fourth hack on Balancer pools

Yesterday, June 29th, two of the multi-token pools on DeFi platform Balancer were drained of ~$450,000. The attacker conducted the attack in two separate flashloan transactions by draining one liquidity pool until close to zero. The firm’s co-founder and CTO, Mike McDonald, confirmed that hackers drained at least two of their pools that contained deflationary tokens STA and STONK. He admitted that hackers exploited security vulnerabilities in those tokens to trick their pools into selling them Ether, WBTC, LINK, and SNX with a total loss of 601.3 ETH, 11.36 WBTC, 22,593 LINK, and 60,915 SNX totalling  around $450,000. Did they knew about this on 5th of May, and did not believe it possible, at the time, because involved a colossal amount of gas? It is not like the hackers are not rich enough to pay their own fees, right? Bonus point: guess who is trying to shift the blame on the crypto, instead of taking care of their vulnerabilities. 

As we know, there is a huge competition know in the DEFI space, expecially between the tokens involved in yield farming. But there is no easy profit and there are risks involved. My man here pointed out this from the beginning:

In a later report from Balancer, they announced they will compensate any user loosing his/her tokens. Details about all this will be published later this week. 

But, in a surprising way, this happened again on 30.06.2020, even if on a smaller scale. Apparently at 1.39 PM, someone used dydx flashloan(again) and drained unclaimed COMP in several balancer pool, making 10.8 ETH profit in the process. You were thinking that once they found out that this exploit can be used for any coin, on any pool, they will pause the protocol in order to prevent another incidents. They didn't. In my opinion the solution is simple, even if time consuming. They should introduce a temporary 24 hours delay on withdrawals and manually approve them. At least until they find a solution. Another great example of company caring more of the brand image than the solution. Now they really need to step up, in my opinion. 

Any future DEFI project should study this issue and learn how to avoid future problems. Now that the cat is out of the hat, more pools will be under black hackers scrutiny. Some state sponsored hacker groups will probably enjoy the free money. And they have the power and the numbers to pose a real danger to the future of DEFI. 

Read the CoinTelegraph article for the technical analysis of the hack. 



Be careful, very careful, in the end there are your money we talk about!




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