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    <title>L4 News — Security</title>
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    <description>Documented attack surfaces across contracts, bridges and users, with post-mortems of major losses and the habits preventing the most common thefts.</description>
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      <title>How to spot a crypto drainer before it takes your wallet</title>
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      <description><![CDATA[Crypto drainers stole over $1 billion in 2024. Learn the approval mechanism they abuse and the four habits that stop them.]]></description>
      <pubDate>Mon, 24 Aug 2026 08:54:55 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
      <category>Security</category>
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      <title>What is a SIM swap attack, and how does it drain a crypto wallet?</title>
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      <description><![CDATA[A SIM swap hijacks your phone number, not your seed phrase — but for accounts protected only by a text message, that's often enough to unlock everything.]]></description>
      <pubDate>Tue, 18 Aug 2026 08:44:35 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
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      <title>What to do if your wallet is compromised</title>
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      <description><![CDATA[Wallet compromised? The order: move assets to a new wallet first, revoke approvals second, report to IC3 and the FTC — and skip recovery-fee scams.]]></description>
      <pubDate>Sun, 26 Jul 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
      <category>Security</category>
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      <title>How airdrop scams work</title>
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      <description><![CDATA[Airdrop scams explained: how fake 'free token' pages turn a claim into an approval or an upfront fee, and the four questions that expose them.]]></description>
      <pubDate>Fri, 03 Jul 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
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      <title>What is a dusting attack?</title>
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      <description><![CDATA[Dusting attack explained: why strangers send tiny crypto transfers and unsolicited tokens, what dust reveals about your wallets, and why ignoring it works.]]></description>
      <pubDate>Thu, 11 Jun 2026 12:00:00 GMT</pubDate>
      <dc:creator>Tomás Ferreira</dc:creator>
      <category>Security</category>
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      <title>How to make a wallet recovery plan</title>
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      <description><![CDATA[Build a wallet recovery plan: offline seed phrase backups in steel and paper, two locations, a tested restore, and a letter your family could follow.]]></description>
      <pubDate>Wed, 20 May 2026 12:00:00 GMT</pubDate>
      <dc:creator>Tomás Ferreira</dc:creator>
      <category>Security</category>
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      <title>How to secure a crypto exchange account</title>
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      <description><![CDATA[Secure your crypto exchange account step by step: authenticator-app 2FA instead of SMS, anti-phishing codes, withdrawal allowlists, and a dedicated email.]]></description>
      <pubDate>Tue, 28 Apr 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
      <category>Security</category>
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      <title>What is a rug pull, and how to spot one</title>
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      <description><![CDATA[Rug pull explained: how teams drain liquidity or mint hidden supply, the warning signs to check before buying, and famous dated examples.]]></description>
      <pubDate>Mon, 06 Apr 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
      <category>Security</category>
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      <title>How token approval scams work</title>
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      <description><![CDATA[Token approval scams explained: what 'approve' really signs, why unlimited approvals are risky, and how to check and revoke old permissions safely.]]></description>
      <pubDate>Sat, 14 Mar 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
      <category>Security</category>
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      <title>What is address poisoning?</title>
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      <description><![CDATA[Address poisoning explained: how look-alike wallet addresses hijack your copy-paste, why checking first and last characters fails, and what to do instead.]]></description>
      <pubDate>Sat, 21 Feb 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
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      <title>What a hardware wallet does and doesn&apos;t protect</title>
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      <description><![CDATA[Hardware wallet security explained: what cold storage protects — offline keys — and what it can't: blind signing, fake screens, social engineering.]]></description>
      <pubDate>Fri, 30 Jan 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
      <category>Security</category>
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      <title>How to verify a crypto website is real</title>
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      <description><![CDATA[Learn how to verify a crypto website is real: bookmark discipline, character-by-character URL checks, and why the padlock proves nothing.]]></description>
      <pubDate>Thu, 08 Jan 2026 12:00:00 GMT</pubDate>
      <dc:creator>Rekha Patel</dc:creator>
      <category>Security</category>
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