Here is where IBLT was specified:<p><a href="https:&#x2F;&#x2F;gist.github.com&#x2F;gavinandresen&#x2F;e20c3b5a1d4b97f79ac2" rel="nofollow">https:&#x2F;&#x2F;gist.github.com&#x2F;gavinandresen&#x2F;e20c3b5a1d4b97f79ac2</a><p>More:<p><a href="http:&#x2F;&#x2F;lists.linuxfoundation.org&#x2F;pipermail&#x2F;bitcoin-dev&#x2F;2015-May&#x2F;008000.html" rel="nofollow">http:&#x2F;&#x2F;lists.linuxfoundation.org&#x2F;pipermail&#x2F;bitcoin-dev&#x2F;2015-...</a>