DeFi & NFT
By Maheen Hernandez
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How Same-Block Backrunning Actually Works. The term sounds technical, and it is, but the core idea isn't that complicated.
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What Traders Can Actually Do About It. Experts in the space say the fix isn't glamorous. It's just discipline.
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The Bigger Problem Nobody Wants to Talk About. The $2 million loss is the headline. But the real story is that this kind of exploit is repeatable.
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A crypto trader just lost $2 million. One block. Gone. The culprit was a "same-block backrun extraction" — a fast, surgical exploit that most retail traders have never even heard…
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The mechanics are pretty brutal once you understand them. Within a single blockchain block, malicious actors spotted the trader's transaction, rearranged the sequence around it,…
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The term sounds technical, and it is, but the core idea isn't that complicated. When you submit a transaction to a blockchain, it sits briefly in a pool waiting to be included in…
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What made this particular case so costly was the size. Two million dollars lost in a single block is a significant number even by crypto standards, where large losses aren't…
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The reason? The transaction route wasn't reviewed before signing.
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That's basically it. The trader signed off on a transaction without scrutinizing the path it would take — which platforms or contracts it would touch, in what order, under what…
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Experts in the space say the fix isn't glamorous. It's just discipline. Before signing any transaction, especially a large one, traders need to understand the route it's taking.
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More context: Ill Bloom Flaw Puts Thousands of Crypto Wallets at Risk Across Multiple Chains
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Most retail traders don't do this. It's not really their fault — the interfaces built on top of blockchain infrastructure often hide this complexity on purpose, in the name of…
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And it's not just about tools. It's about mindset. The crypto market moves fast, and that speed creates pressure to act quickly, to not slow down and read the fine print.
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There's also a broader issue here. The decentralized nature of many crypto platforms means transaction paths can be genuinely opaque.
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Automated systems make this harder. Bots and aggregators often select transaction routes without user input, optimizing for speed or price without flagging security concerns.
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