diff --git a/whitepaper/protocol.pdf b/whitepaper/protocol.pdf
index db07561..281fb7a 100644
Binary files a/whitepaper/protocol.pdf and b/whitepaper/protocol.pdf differ
diff --git a/whitepaper/protocol.tex b/whitepaper/protocol.tex
index 666402b..bb584bc 100644
--- a/whitepaper/protocol.tex
+++ b/whitepaper/protocol.tex
@@ -917,6 +917,10 @@ as tBob and zBob. In terms of the metadata that is revealed when communicating w
 tBob or zBob, they are quite different, and it is healthy for metadata minimization
 to consider them as two different contacts.
 
+If one has the addresses for a set of contacts on multiple chains that are supported,
+say ZEC, HUSH and KMD, then a user may send a memo to members across multiple blockchains
+to ensure delivery and subvert censorship of a single chain.
+
 \nsection{List Creation}
 
 A private \HushList is simply a list of contacts stored locally and costs nothing. The