diff --git a/whitepaper/protocol.pdf b/whitepaper/protocol.pdf
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+++ b/whitepaper/protocol.tex
@@ -1114,6 +1114,11 @@ Martha has data about something that most be transported from internal-only syst
 
 This is an extension of the "Pen Name" User Story. Let's say that for some reason a journalist Billy is already known publicly, but is sensored from all media locally in various places. Billy can use HushList to publish his writing (and also source data, encrypted or not) to multiple blockchains to make it permanently mirrored across thousands of servers and very hard to censor.
 
+\nsection{Thanks}
+
+A special thanks to Daira Hopwood for an inspring Zcash Protocol document and for making
+the \LaTeX infrastructure open source, which was used to make this document.
+
 \nsection{References}
 
 \begingroup