BIP66: link to sipa's disclosure of consensus failure bug

Author: harding

Diff for: bip-0066.mediawiki

@@ -142,3 +142,6 @@ An implementation for the reference client is available at https://github.com/bi
 
 This document is extracted from the previous BIP62 proposal, which had input from various people, in particular Greg Maxwell and Peter Todd, who gave feedback about this document as well. 
 
+==Disclosures==
+
+* Subsequent to the network-wide adoption and enforcement of this BIP, the author [https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-July/009697.html disclosed] that strict DER signatures provided an indirect solution to a consensus bug he had previously discovered.