Edited ch04_keys.adoc with Atlas code editor

ch04_keys.adoc

@@ -749,7 +749,7 @@ image::images/mbc3_0407.png["pubkey_to_address"]
 //https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-November/000778.html
 
 
-When Bitcoin was first authored, its developers only knew how to create
+When ((("public key cryptography", "compressed public keys", id="pub-key-compress")))((("compressed public keys", id="compress-pub-key")))((("uncompressed public keys", id="uncompress-pub-key")))Bitcoin was first authored, its developers only knew how to create
 65-byte public keys.  However, a later developer became aware of an
 alternative encoding for public keys that used only 33 bytes and which
 was backward compatible with all Bitcoin full nodes at the time,
@@ -847,7 +847,7 @@ to scan for the correct type can lead to the user not being able to
 spend their full balance.  To resolve this issue, when private keys are
 exported from a wallet, the WIF that is used to
 represent them is implemented slightly differently in newer Bitcoin
-wallets, to indicate that these private keys have been used to produce
+wallets, to indicate that these private keys have been used to produce((("public key cryptography", "compressed public keys", startref="pub-key-compress")))((("compressed public keys", startref="compress-pub-key")))((("uncompressed public keys", startref="uncompress-pub-key")))
 compressed public keys.
 
 [[addresses_for_p2sh]]