diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 2b09ac706..9f65acad2 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -1,5 +1,7 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2013-2014 The Dogecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index 047a70ce3..712b173df 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -1,4 +1,6 @@
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2013-2014 The Dogecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/core.h b/src/core.h
index 889c8ad2b..5703a9bfe 100644
--- a/src/core.h
+++ b/src/core.h
@@ -1,5 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2013 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c) 2013-2014 The Dogecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/init.cpp b/src/init.cpp
index 72acdb8b4..39039ac0e 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1,5 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/main.cpp b/src/main.cpp
index f90e87e32..536e67ab9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c) 2013-2014 The Dogecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -1183,6 +1186,7 @@ int64_t GetBlockValue(int nHeight, int64_t nFees, uint256 prevHash)
     return nSubsidy + nFees;
 }
 
+// New Difficulty adjustement and reward scheme by /u/lleti, rog1121, and DigiByte (DigiShield Developers).
 static const int64_t nTargetTimespan = 4 * 60 * 60; // DogeCoin: every 4 hours
 static const int64_t nTargetTimespanNEW = 60 ; // DogeCoin: every 1 minute
 static const int64_t nTargetSpacing = 60; // DogeCoin: 1 minute
diff --git a/src/main.h b/src/main.h
index 96cd8733f..d83e5fc7e 100644
--- a/src/main.h
+++ b/src/main.h
@@ -1,5 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c) 2013-2014 The Dogecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/miner.cpp b/src/miner.cpp
index 1c4c5bf2f..2df6ff15d 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -1,5 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c) 2013-2014 The Dogecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/protocol.h b/src/protocol.h
index 76e120237..4ea0bcebb 100644
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -1,5 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2013 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c) 2013-2014 The Dogecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/rpcserver.cpp b/src/rpcserver.cpp
index fa56d9774..2cb451cd5 100644
--- a/src/rpcserver.cpp
+++ b/src/rpcserver.cpp
@@ -1,5 +1,6 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/util.cpp b/src/util.cpp
index 96619f8db..17f4dc3d3 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1,5 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/util.h b/src/util.h
index 4cfe15cbf..ef4098156 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,5 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2011-2013 The Litecoin developers
+// Copyright (c)      2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/version.cpp b/src/version.cpp
index e725bded2..83cc18985 100644
--- a/src/version.cpp
+++ b/src/version.cpp
@@ -1,4 +1,5 @@
 // Copyright (c) 2012 The Bitcoin developers
+// Copyright (c) 2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/version.h b/src/version.h
index 2612d458a..c0d104fba 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,4 +1,5 @@
 // Copyright (c) 2012 The Bitcoin developers
+// Copyright (c) 2014 The Inutoshi developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_VERSION_H