From 4413bdc46ffa779987ff2ffb9ac9257744e35316 Mon Sep 17 00:00:00 2001
From: Clark Moody <clarkmoody@gmail.com>
Date: Thu, 14 Feb 2019 12:25:38 -0600
Subject: Add version bytes section

---
 bip-0049.mediawiki | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'bip-0049.mediawiki')

diff --git a/bip-0049.mediawiki b/bip-0049.mediawiki
index 74645a1..846aefa 100644
--- a/bip-0049.mediawiki
+++ b/bip-0049.mediawiki
@@ -66,6 +66,12 @@ To derive the P2SH address from the above calculated public key, we use the enca
     scriptPubKey: HASH160 <20-byte-script-hash> EQUAL
                   (0xA914{20-byte-script-hash}87)
 
+
+===Extended Key Version===
+
+When serializing extended keys, this scheme uses alternate version bytes. Extended public keys use <code>0x049d7cb2</code> to produce a "ypub" prefix, and private keys use <code>0x049d7878</code> to produce a "yprv" prefix. Testnet uses <code>0x044a5262</code> "upub" and <code>0x044a4e28</code> "uprv."
+
+
 ==Backwards Compatibility==
 
 This BIP is not backwards compatible by design as described under [#considerations]. An incompatible wallet will not discover accounts at all and the user will notice that something is wrong.
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