Edited ch06_transactions.adoc with Atlas code editor

ch06_transactions.adoc

@@ -89,7 +89,7 @@ image::images/mbc3_0601.png["A byte map of Alice's transaction"]
 [[version]]
 === Version
 
-The first four bytes of a serialized Bitcoin transaction are its
+The first ((("transactions", "version of", id="transactions-version")))((("version (of transactions)", id="version-transactions")))four bytes of a serialized Bitcoin transaction are its
 version.  The original version of Bitcoin transactions was version 1
 (0x01000000).  All transactions in Bitcoin must follow
 the rules of version 1 transactions, with many of those rules being
@@ -144,7 +144,7 @@ being widely considered.  That proposal does not seek to change the
 consensus rules but only the policy that Bitcoin full nodes use to relay
 transactions.  Under the proposal, version 3 transactions would be
 subject to additional constraints in order to prevent certain Denial of
-Service (DoS) attacks that we'll discuss further in <<transaction_pinning>>.
+Service (DoS) attacks that we'll discuss((("transactions", "version of", startref="transactions-version")))((("version (of transactions)", startref="version-transactions"))) further in <<transaction_pinning>>.
 
 === Extended Marker and Flag