Ethereum

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 The highest recently generated block reward was 584 ETH, created by a MEV bot front-running transactions during the DeFi chaos. 
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 The recent Curve Finance <a rel="noopener noreferrer nofollow" title="exploit" href="https://thebittimes.com/tag/exploit.html">exploit</a> has reportedly led to one of the largest ever Maximal Extractable Value (MEV) <a rel="noopener noreferrer nofollow" title="reward" href="https://thebittimes.com/tag/reward.html">reward</a> <a rel="noopener noreferrer nofollow" title="block" href="https://thebittimes.com/tag/block.html">block</a>s of 584.05 Ether (ETH).&nbsp; 
 On July 31, Ethereum core developer “eric.eth” reported that “today has produced some of the largest MEV reward blocks in Ethereum’s history,” adding it was caused by the exploit of Curve Finance stable pools on July 30. 
 Data shows a larger MEV reward block of 692 ETH was recorded in March. 
 “A bot notices an incoming hack in the mempool, reproduces the tx [transaction] and front runs it”, he explained before adding, “To do so they pay the block producer a lot of ETH to be front of the line.” 
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 Today has produced some of the largest MEV reward blocks in Ethereum’s history. Slot 6,992,273: 584 ETH Slot 6,993,342: 345 ETH Slot 6,992,050: 247 ETH Slot 6,993,346: 51 ETH— eric.eth (@econoar) July 30, 2023 
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 A MEV bot is designed to generate extra revenue by reordering and/or inserting transactions in an otherwise normal <a rel="noopener noreferrer nofollow" title="block" href="https://thebittimes.com/tag/block.html">block</a> to generate arbitrage opportunities. 
 MEV bots can also see pending liquidation transactions and front-run them to buy the liquidated assets first at a discount. 
 The validator gets to propose a block using a relay that outsources their block production to entities specialized in extracting this extra revenue. They will get a cut of this revenue in exchange for allowing the MEV bot to front-run the transaction. 
 This is known as the “<a rel="noopener noreferrer nofollow" title="block" href="https://thebittimes.com/tag/block.html">block</a> <a rel="noopener noreferrer nofollow" title="reward" href="https://thebittimes.com/tag/reward.html">reward</a>” and some huge ones have been logged over the past few hours. 
 The highest MEV bot block reward was 584.05 ETH, valued at around $1 million, around 12 hours ago, according to Beaconcha.in. There have also been block rewards for 345 ETH and 247 ETH over the past few hours. 
 Related: Vyper vulnerability exposes DeFi ecosystem to stress tests 
 Moral questions were raised among the responses to the tweet and the implications of potentially illicit funds being used to pay validators to allow the front-running of transactions. 
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 “And this is where the morality of MEV rewards going to miners gets pretty shady. These are effectively hacked funds.” 
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 In April, a Subway-themed trading bot made millions in extractable value by using “sandwich attacks” during the memecoin trading frenzy. 
 Magazine: Should crypto projects ever negotiate with hackers? Probably 
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Ethereum logs $1M MEV block reward amid Curve Finance exploit

TheBitTimes

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