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<div class="key-points-section">
 <strong>What to Know:</strong>
 <ul>
  <li>Ledger CTO warns of JavaScript supply chain breach, affecting crypto.</li>
  <li>Refrain from on-chain transactions without hardware wallets.</li>
  <li>Address-swapping malware could impact diverse cryptocurrency assets.</li>
 </ul>
</div>
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  Ledger CTO Warns Against On-Chain Transactions After JavaScript Breach
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<p>Ledger's CTO, Charles Guillemet, urgently warns crypto users of compromised JavaScript packages affecting on-chain transactions, with billions of downloads potentially putting the entire ecosystem at risk.</p>
<p>The attack on JavaScript packages underscores significant threats to crypto transactions, emphasizing the necessity of hardware wallets and the potential impact on assets like ETH and ERC-20 tokens.</p>
<p>Charles Guillemet, CTO of Ledger, issued a warning following a massive JavaScript supply chain attack threatening crypto transactions' security.</p>
<p>The attack's implications could be wide-reaching, especially affecting developers and end-users reliant on JavaScript packages.</p>
<h2 id="npm-packages-breached-with-1-billion-downloads-compromised">NPM Packages Breached with 1 Billion Downloads Compromised</h2>
<p>The compromised <strong>NPM JavaScript packages</strong> have been downloaded over 1 billion times. The <strong>attack silently swaps crypto addresses</strong> during transactions to steal funds. Analysis suggests all ecosystems using these packages may be vulnerable. <a href="https://www.thestreet.com/crypto/markets/ledger-cto-warns-of-shocking-npm-attacks-by-crypto-hackers" rel="noopener noreferrer nofollow">source</a></p>
<p><strong>Charles Guillemet</strong> advises users to exercise caution. <strong>Hardware wallets</strong> remain safe if users verify transactions before signing. <strong>Software wallet users should avoid on-chain transactions</strong> currently to mitigate risks.</p>
<h2 id="address-swapping-malware-threatens-crypto-security">Address-Swapping Malware Threatens Crypto Security</h2>
<p>While <strong>no funding vulnerabilities</strong> are confirmed, the attack poses operational risks to developers and users. <strong>ETH, ERC-20 tokens</strong>, and other smart contract-enabled cryptos could be affected through address-swapping malware.</p>
<p>Security experts warn of shifts in protocol <strong>TVL and user funds</strong> due to potential wallet library manipulations. The market’s response remains cautious, awaiting more details on threats’ scope.</p>
<h2 id="historical-supply-chain-attacks-and-their-consequences">Historical Supply Chain Attacks and Their Consequences</h2>
<p>Past <strong>JavaScript supply chain attacks</strong> like “eslint-config-prettier” caused significant disruptions. This incident impacts more downloads and downstream products, including wallet browser extensions.</p>
<p>Historical precedents advise caution, suggesting <strong>similar vulnerabilities</strong> could exploit DeFi protocols. Users advised to rely on hardware wallets while developers audit their packages' dependencies for malicious code.</p>
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    <td><em><strong>Disclaimer</strong>: The information on this <a href="https://bitcoininfonews.com/" rel="noopener noreferrer nofollow">website</a> is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency markets are volatile, and investing involves risk. Always do your own research and consult a financial advisor.</em></td>
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Ledger CTO Warns Against On-Chain Transactions After JavaScript Breach

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