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A Dangerous Bug in Bitcoin’s Lightning Network Has Been Fixed

A popular payments network running atop the bitcoin blockchain suffered from a long-standing code vulnerability – one where attackers could drain users’ of their money. While initially flagged to the public on Aug. 30 by bitcoin developer Rusty Russell, the full disclosure detailing how this vulnerability could be exploited by an attacker was released Friday. “An attacker can claim to open a [lighting payments] channel but either not pay to the peer, or not pay …

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The Specs Behind Bitcoin’s Lightning Pass Their First ‘Formal’ Security Test

A pair of researchers have released the results of a formal verification of bitcoin’s lightning network. Lightning is new(ish), experimental, and bugs that could lead to loss of user funds are still being discovered. But even so, the paper – released last month by researchers Aggelos Kiayias and Orfeas Litos from The University of Edinburgh. Kiayias is also the chief scientist for blockchain firm IOHK – brought a dose of good news on the underlying security of …

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Lightning Network Developers Warn of Bug That Could Cause Loss of Bitcoin

Developers have disclosed a security hole in various versions of bitcoin’s Lightning Network software that could cause users to lose money if not updated. The bug was first made public on Aug. 30 by bitcoin and Lighting developer Rusty Russel and confirmed Tuesday afternoon by Olaoluwa Osuntokun, CTO of startup Lightning Labs. It’s unclear how much bitcoin, if any, was lost, or how many users were affected. Multiple Lightning node versions are vulnerable and should be updated immediately, …

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