<p>Bitcoin’s Lightning Network, an experimental second-layer scaling solution built on top of the Bitcoin Network for quicker fund transfers, has been found to have some security vulnerabilities.</p> <p>Rusty Russell, an Australian software programmer and a bitcoin lightning coder, <a href="https://twitter.com/rusty_twit/status/1167371549575303169?s=20">tweeted</a> Friday, <a href="https://lists.linuxfoundation.org/pipermail/lightning-dev/2019-August/002130.html">saying</a> that security issues have been discovered in “various lightning projects which could cause loss of funds.”</p> <p>While Russell did not provide specific details, he said more information will be issued in four weeks.</p> <p>In the meanwhile, the coder has advised users to upgrade the following affected lightning nodes:<br /> <br /> - Common vulnerabilities and exposures (CVE) -2019-12998 c-lightning &lt; 0.7.1<br /> - CVE-2019-12999 lnd &lt; 0.7<br /> - CVE-2019-13000 eclair &lt;= 0.3</p> <p>The <a href="https://www.theblockcrypto.com/2019/01/15/the-growth-of-the-lightning-network-has-been-remarkable-but-theres-a-catch/">Lightning Network</a> was first proposed in February 2015, and is still very much in its early days with many issues. <a href="https://www.theblockcrypto.com/2019/03/07/mapping-out-the-lightning-network-ecosystem/">Over 50 firms</a> are working to bring the network to the mainstream, including Casa, OpenNode and Thor, according to The Block’s research.</p>