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Electrum Bitcoin wallet vulnerability allowed malicious servers to replace pending RBF transactions, resulting in at least one theft and prompting an urgent update to version 4.8

9,716 posts · 5,642 accounts · -4% vs the day before

  • The flaw let rogue servers swap pending BTC payments with fake ones during Replace‑by‑Fee (RBF), and developers confirmed a theft occurred, urging users to upgrade to Electrum v4.8[1]
  • A similar wallet bug letting servers steal funds when users tried to speed up payments was also reported, highlighting broader security concerns for Bitcoin wallets[10]
  • Bitcoin slipped below $80,000 ahead of the Fed meeting, with traders de‑risking and crypto longs losing $404 million as price fell under $80k[6][17]
  • Spot Bitcoin ETFs saw net outflows of $138 million on Friday after $636 million outflows on Thursday, though the week ended with a net inflow of about $301 million[9]
  • Bitcoin remained above its 50‑week moving average for a sixth consecutive week despite a 2.39% weekly decline, suggesting support may hold near $80k[31][33]
  • Market participants flag upcoming macro events—Fed decision on Oct 28, U.S. PCE and GDP data on Oct 29, and BOJ decision on Oct 30—as potential catalysts for volatility[41]

Posts cited

  1. [1] melody · @lovedofi ·

    ⚠️ Electrum Bitcoin Wallet Vulnerability Alert! A security flaw allowed malicious servers to replace pending BTC transactions with fake payments during Replace by Fee (RBF). Developers confirmed at least one theft. 🚨 Update to Electrum v4.8.3 and always verify addresses and amounts before signing! #Bitcoin #BTC #CryptoSecurity

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  2. [6] Web3 Grinders Community · @web3_grinders_ ·

    Bitcoin slips under $80,000 as traders de-risk ahead of Fed meeting.

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  3. [9] More Crypto Online · @morecryptoonl ·

    Spot bitcoin ETFs: -$138 million on Friday after -$636 million on Thursday. The week as a whole still ended about +$301 million. $BTC

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  4. [10] kryptonal · @kryptonal_ ·

    Bitcoin wallet bug let rogue servers steal funds when users tried to speed up payments via @Kryptonal

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  5. [17] CryptoGazette 🚨 · @cryptogazette ·

    Crypto longs lose $404 million as bitcoin slips below $80,000 #Bitcoin

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  6. [31] Xiao Jie · @xiaojie8386 ·

    $BTC is holding above the 50 week moving average for the 6th straight week. A 2.39% weekly drop and that support is still holding. Could be setting up for a stronger move higher @AshCrypto has $82K on the radar for the weekly close. I'm keeping an eye on that level with FOMC on Oct 28, PCE and GDP on Oct 29, then BOJ on Oct 30. Plenty coming before I get too confident here Does #Bitcoin hold support and make its next big leg? Or do we get another pullback first? Drop your levels

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  7. [33] Xiao Jie · @xiaojie8386 ·

    A weekly decline can obscure what held up underneath it. Bitcoin closed the week down 2.39% but remained above its 50 week moving average for a sixth consecutive week despite a correction in U.S. markets, according to @AshCrypto The next test brings several potential catalysts: the Oct. 28 FOMC decision, U.S. PCE and GDP data on Oct. 29, and the Bank of Japan decision on Oct. 30. For those following $BTC, the account points to a weekly close above $82,000 and the moving average as support for the bullish case heading into a busy stretch for #Bitcoin

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  8. [41] Xiao Jie · @xiaojie8386 ·

    JUST IN: Bitcoin is heading into a high volatility week where macro data could matter more than the timeline The FOMC decision on Oct 28, U.S. PCE and GDP data on Oct 29, and the BOJ decision on Oct 30 could shake the market fast. A weekly close above $82K and the 50MA would keep bulls in control, while a rejection could give bears room to take over the narrative Watching the levels, not the noise, with @AshCrypto #Bitcoin $BTC

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Written by an AI model from public posts; it can be wrong. Check the sources.

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