September 25, 2026

1. Lightning Labs Discloses Critical Bug in Bitcoin Lightning Network

technology

Lightning Labs has revealed a critical flaw in older versions of its Lightning Terminal software that could incorrectly mark canceled Bitcoin Lightning invoices as paid. This bug poses a risk of merchants delivering goods or services without receiving payment. The company has not disclosed the extent of any potential losses but advises users to update their software immediately.

Sources:CryptoSlate

2. Payy Bridge Exploit Freezes Crypto Cards Amid Security Breach

security

Payy has temporarily frozen its stablecoin payment network, including card transactions, following an exploit of its Ethereum bridge contract. The breach has halted deposits, withdrawals, transfers, and card purchases, leaving users unable to access their funds while the company investigates. The incident highlights ongoing security challenges in cross-chain bridge technologies.

Sources:CryptoSlate

3. KelpDAO Sues LayerZero Over $292 Million Bridge Exploit

business

KelpDAO has filed a lawsuit against LayerZero and its CEO, accusing them of negligence related to a $292 million exploit of the rsETH bridge. The lawsuit alleges that LayerZero approved a vulnerable bridge setup, contributing to the exploit. This legal action underscores the growing scrutiny and legal challenges facing DeFi protocols and their security practices.

4. US Crypto ETFs Attract Over $3 Billion in Weekly Inflows

market

US crypto exchange-traded funds have seen inflows exceeding $3 billion this week, with significant interest extending beyond Bitcoin to Ethereum and altcoin products. Bitcoin ETFs alone accounted for $2.25 billion of the inflows, indicating robust investor demand for crypto exposure despite recent market volatility. This trend reflects a growing acceptance and integration of crypto assets in traditional financial markets.

Sources:CryptoSlate

5. US Prosecutors Seek $84.2 Million From Bank Linked to Tether

regulation

Federal prosecutors are pursuing $84.2 million from a Caribbean bank and a Montana payments firm accused of operating without a license. The case involves allegations of illegal money transfers linked to Tether, raising concerns about regulatory compliance in the crypto banking sector. This development highlights the ongoing regulatory challenges and scrutiny facing crypto-related financial institutions.

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Last updated: 9/25/2026, 11:00:42 PM UTC

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