diff --git a/bip-0049.mediawiki b/bip-0049.mediawiki
index 1e0ba2b9..00290038 100644
--- a/bip-0049.mediawiki
+++ b/bip-0049.mediawiki
@@ -66,6 +66,14 @@ 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 0x049d7cb2
to produce a "ypub" prefix, and private keys use 0x049d7878
to produce a "yprv" prefix. Testnet uses 0x044a5262
"upub" and 0x044a4e28
"uprv."
+
+Additional registered version bytes are listed in [[https://github.com/satoshilabs/slips/blob/master/slip-0132.md|SLIP-0132]].
+
+
==Backwards Compatibility==
This BIP is not backwards compatible by design as described under [[#considerations|considerations]]. An incompatible wallet will not discover accounts at all and the user will notice that something is wrong.
@@ -75,10 +83,11 @@ This BIP is not backwards compatible by design as described under [[#considerati
masterseedWords = abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about - masterseed = tprv8ZgxMBicQKsPe5YMU9gHen4Ez3ApihUfykaqUorj9t6FDqy3nP6eoXiAo2ssvpAjoLroQxHqr3R5nE3a5dU3DHTjTgJDd7zrbniJr6nrCzd (testnet) + masterseed = uprv8tXDerPXZ1QsVNjUJWTurs9kA1KGfKUAts74GCkcXtU8GwnH33GDRbNJpEqTvipfCyycARtQJhmdfWf8oKt41X9LL1zeD2pLsWmxEk3VAwd (testnet) // Account 0, root = m/49'/1'/0' - account0Xpriv = tprv8gRrNu65W2Msef2BdBSUgFdRTGzC8EwVXnV7UGS3faeXtuMVtGfEdidVeGbThs4ELEoayCAzZQ4uUji9DUiAs7erdVskqju7hrBcDvDsdbY (testnet) + account0Xpriv = uprv91G7gZkzehuMVxDJTYE6tLivdF8e4rvzSu1LFfKw3b2Qx1Aj8vpoFnHdfUZ3hmi9jsvPifmZ24RTN2KhwB8BfMLTVqaBReibyaFFcTP1s9n (testnet) + account0Xpub = upub5EFU65HtV5TeiSHmZZm7FUffBGy8UKeqp7vw43jYbvZPpoVsgU93oac7Wk3u6moKegAEWtGNF8DehrnHtv21XXEMYRUocHqguyjknFHYfgY (testnet) // Account 0, first receiving private key = m/49'/1'/0'/0/0 account0recvPrivateKey = cULrpoZGXiuC19Uhvykx7NugygA3k86b3hmdCeyvHYQZSxojGyXJ