Major news for Uniswap, the decentralized crypto exchange that uses a series of smart contracts to execute transactions. Uniswap’s liquidity pools were reportedly drained by an $8 million sandwich attack.
Additionally, the exchange went open source yesterday, marking a significant event within the DeFi ecosystem. Let’s see what happened.
Crypto News: The attack on the Uniswap exchange, what happened?
Uniswap recently became the target of a sophisticated sandwich attack that resulted in a massive theft of $25.2 million from eight different pools. This incident could mark a significant turning point for the entire miner extractable value (MEV) ecosystem.
A sandwich attack is a type of front-running attack in which a user makes a large trade on both sides of a target’s transaction in order to manipulate the price and profit from the resulting change in price.
In this case, eight addresses were able to exploit the vulnerability and steal a significant amount of assets from the Uniswap pool. The validator behind the attack was funded through the anonymous Aztec protocol, suggesting that the theft by MEV bots was premeditated.
In addition, the confidential deposit into the investigator’s account was made eighteen days before the attack. As a result of two transactions, a front-run and a back-run transaction, the hacker validator managed to steal several resources from unsuspecting bots.
Among them, we see 7,461 WETH worth $13.4 million; US$5.3 million; 3 million USDT; 65 WBTC worth $1.8 million; and 1.7 million DAI. Unfortunately, this incident is a reminder of the potential dangers and vulnerabilities that exist in the rapidly evolving world of decentralized finance.
In fact, the Uniswap attack highlights the need for more robust security measures and protocols to protect users from similar exploits. Additionally, the attack could mark a turning point for the MEV ecosystem.
Not surprisingly, it shows the potential for bad actors to exploit the system and raises questions about the long-term sustainability of the current MEV model. In summary, the industry needs to rethink its MEV approach and work on developing new solutions that prioritize security and protect users from such threats.
Uniswap goes open source: changes in DeFi
On April 1st, the Business Source License (BSL) expired and the Uniswap protocol became de facto open source.
This deadline was a highly anticipated event in the decentralized finance (DeFi) ecosystem precisely because it will allow developers to fork the Uniswap v3 protocol and implement their own decentralized exchange (DEX).
The Uniswap v3 license was released in 2021 and lasted for two years, preventing the code from being used commercially.
Today the new license is called “General Public License” and marks a revolutionary step in the industry precisely because Uniswap is the most widely used DEX in DeFi and is considered the largest market maker.
Additionally, on March 16 another major piece of related news was announced, namely the implementation of the Binance Smart Chain within Uniswap, undermining its most bitter platform opponent, PancakeSwap.
These recent strategic moves by UniSwap clearly indicate its intent to scale up the business and make DeFi a more open and accessible environment, with all the difficulties revolving around security and regulation.
The crypto exchange Uniswap is also available on the BNB chain network
On March 16, Uniswap was also officially launched on BNB Chain, an EVM-compatible blockchain originally founded by Binance. This is really important and long-awaited news as Uniswap users can finally take advantage of the BNB chain’s low transaction fees for token exchanges, on par with PancakeSwap.
In fact, this implementation on Uniswap inevitably means a crucial positioning within a market where the de facto monopoly of Binance’s DEX PancakeSwap reigned, as well as a significant step towards improving accessibility and liquidity for its users.
Wormhole has been chosen as the protocol’s bridge to the BNB chain, helping users transfer assets from Ethereum’s core network to the BNB chain. Therefore, Uniswap is used even more than usual for users who are used to DEX transactions.
As expected above, the rivalry between the PancakeSwap exchange and Uniswap has always been strong. In fact, by February 2021, PancakeSwap had, albeit briefly, overtaken its competitor Uniswap as the largest AMM-based exchange.
The daily trading volume of the DEX project based on the BNB chain as of February 19 was over $400 million more than on the ETH-based platform. However, as of September 2021, Uniswap has reclaimed its top spot ahead of PancakeSwap, which it currently holds.
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