September 13, 2026

1. Hackers mint trillions in fake Bitcoin, but 15 BTC bridge recovery leaves liquidity providers unpaid

security

Cross-chain protocol Symbiosis recovered approximately 15 BTC after an attacker exploited its native Bitcoin Bridge. Despite the recovery, affected liquidity providers still lack compensation terms as a bounty window nears its cutoff. The attack involved the minting of trillions in fake Bitcoin, highlighting significant vulnerabilities in cross-chain protocols.

2. Malicious bots probe Bitcoin payment servers for administrative keys

security

Bitcoin payment processor BTCPay Server has reported that bots are actively probing exposed Lightning nodes to gain administrative control. This follows a previous critical vulnerability that allowed attackers to obtain credentials and drain merchant wallets. BTCPay has since disabled external access to LND nodes to mitigate further risks.

Sources:CryptoSlate

3. Critical Bitcoin Lightning bugs exposed nodes to fund theft

technology

The Lightning Development Kit released an update to fix bugs that could allow fund diversion and prevent channel state loading. These vulnerabilities posed significant risks to Bitcoin Lightning applications, including mobile wallets and payment infrastructure. The update aims to enhance security and stability for developers using the toolkit.

Sources:CryptoSlate

4. EU mandates 24-hour vulnerability reporting for crypto wallet creators

regulation

Under the EU's Cyber Resilience Act, crypto wallet manufacturers must report any exploited vulnerabilities within 24 hours. This new regulation, effective September 11, 2026, aims to enhance cybersecurity measures and ensure rapid response to security incidents. The requirement applies to both hardware and software wallet creators meeting the EU's product test standards.

Sources:CryptoSlate

5. Bitcoin trades below $77,000 amid AI uncertainty and Fed meeting

market

Bitcoin's price fell below $77,000, trading at $76,695, down 0.80% over 24 hours and 4.08% over the week. The decline comes as traders face uncertainty from AI developments and an upcoming Federal Reserve meeting. The market is closely watching these factors for potential impacts on Bitcoin's price trajectory.

Sources:CryptoSlate

6. Audited DeFi protocols lost $885M to out-of-scope attacks

security

A new study reveals that audited DeFi protocols lost $885 million to attacks outside their audit scopes. The research highlights the limitations of audits, which often cover specific code and components at a point in time. The findings underscore the need for comprehensive security measures beyond standard audits.

Sources:CryptoSlate

7. Mexican authorities raid hidden crypto mine over power theft suspicions

security

Mexican authorities raided a hidden crypto mine near a hydroelectric dam, suspecting power theft and money laundering. This marks the fourth such discovery in the area since 2025. The raid is part of ongoing efforts to crack down on illegal crypto mining operations in the region.

Sources:The Block

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Last updated: 9/13/2026, 11:00:49 PM UTC

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