<story><title>Git 2.11 has been released</title><url>https://github.com/blog/2288-git-2-11-has-been-released</url></story><parent_chain><item><author>godson_drafty</author><text>They were off by a factor of 10 with the likelihood of being struck and killed by lightning, according to the nws website.&lt;p&gt;To clarify: the likelihood of being merely struck by lightning is ~ 1&amp;#x2F;1,000,000 per year. The likelihood of being struck &lt;i&gt;and killed&lt;/i&gt; is 1&amp;#x2F;10,000,000 , or about 1&amp;#x2F;2^23.25&lt;p&gt;Given this, you would only have to be struck and killed by lightning 6.8 years in a row to equal a sha1 hash collision probability.</text></item></parent_chain><comment><author>OJFord</author><text>&lt;p&gt;&lt;pre&gt;&lt;code&gt;    &amp;gt; Given this, you would only have to be struck and killed
    &amp;gt; by lightning 6.8 years in a row to equal a sha1 hash
    &amp;gt; collision probability.
&lt;/code&gt;&lt;/pre&gt;
Oh, well that changes everything! ;)</text></comment>
<story><title>Git 2.11 has been released</title><url>https://github.com/blog/2288-git-2-11-has-been-released</url></story><parent_chain><item><author>godson_drafty</author><text>They were off by a factor of 10 with the likelihood of being struck and killed by lightning, according to the nws website.&lt;p&gt;To clarify: the likelihood of being merely struck by lightning is ~ 1&amp;#x2F;1,000,000 per year. The likelihood of being struck &lt;i&gt;and killed&lt;/i&gt; is 1&amp;#x2F;10,000,000 , or about 1&amp;#x2F;2^23.25&lt;p&gt;Given this, you would only have to be struck and killed by lightning 6.8 years in a row to equal a sha1 hash collision probability.</text></item></parent_chain><comment><author>peff</author><text>Oh, you&amp;#x27;re right. I misread the chart (and just fixed the blog post).&lt;p&gt;There are a lot of other caveats, too. Such as the idea of each year being an independent probability.</text></comment>