diff --git a/api/src/auth.rs b/api/src/auth.rs
index 302382737..9a0e3aacd 100644
--- a/api/src/auth.rs
+++ b/api/src/auth.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/client.rs b/api/src/client.rs
index 448be6a58..c8502ed42 100644
--- a/api/src/client.rs
+++ b/api/src/client.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/foreign.rs b/api/src/foreign.rs
index addf5db0c..61e7cf98b 100644
--- a/api/src/foreign.rs
+++ b/api/src/foreign.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/foreign_rpc.rs b/api/src/foreign_rpc.rs
index 886a2f183..d1d057079 100644
--- a/api/src/foreign_rpc.rs
+++ b/api/src/foreign_rpc.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers.rs b/api/src/handlers.rs
index b972afa0b..ab85fc155 100644
--- a/api/src/handlers.rs
+++ b/api/src/handlers.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/blocks_api.rs b/api/src/handlers/blocks_api.rs
index 0cad45228..e556b1309 100644
--- a/api/src/handlers/blocks_api.rs
+++ b/api/src/handlers/blocks_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/chain_api.rs b/api/src/handlers/chain_api.rs
index 67166fec7..377c04003 100644
--- a/api/src/handlers/chain_api.rs
+++ b/api/src/handlers/chain_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/peers_api.rs b/api/src/handlers/peers_api.rs
index 4ffe0d89b..d6b324152 100644
--- a/api/src/handlers/peers_api.rs
+++ b/api/src/handlers/peers_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/pool_api.rs b/api/src/handlers/pool_api.rs
index 6c91ac05e..2877739df 100644
--- a/api/src/handlers/pool_api.rs
+++ b/api/src/handlers/pool_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/server_api.rs b/api/src/handlers/server_api.rs
index 10ce789e5..1c724596f 100644
--- a/api/src/handlers/server_api.rs
+++ b/api/src/handlers/server_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/transactions_api.rs b/api/src/handlers/transactions_api.rs
index 7e38c5c0f..585f22fa6 100644
--- a/api/src/handlers/transactions_api.rs
+++ b/api/src/handlers/transactions_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/utils.rs b/api/src/handlers/utils.rs
index 693d82286..dc2f214ef 100644
--- a/api/src/handlers/utils.rs
+++ b/api/src/handlers/utils.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/handlers/version_api.rs b/api/src/handlers/version_api.rs
index 7e2ebbfcb..3d4b6d3e1 100644
--- a/api/src/handlers/version_api.rs
+++ b/api/src/handlers/version_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/lib.rs b/api/src/lib.rs
index 09d454e22..3f7d3221c 100644
--- a/api/src/lib.rs
+++ b/api/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/owner.rs b/api/src/owner.rs
index 206c7600d..ff0177bf4 100644
--- a/api/src/owner.rs
+++ b/api/src/owner.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/owner_rpc.rs b/api/src/owner_rpc.rs
index 886556c20..fafad2984 100644
--- a/api/src/owner_rpc.rs
+++ b/api/src/owner_rpc.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/rest.rs b/api/src/rest.rs
index 08e261943..cfdeda65f 100644
--- a/api/src/rest.rs
+++ b/api/src/rest.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/router.rs b/api/src/router.rs
index e1310126f..9aa1abddd 100644
--- a/api/src/router.rs
+++ b/api/src/router.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/api/src/types.rs b/api/src/types.rs
index 75a9473d5..4afdeed81 100644
--- a/api/src/types.rs
+++ b/api/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/chain.rs b/chain/src/chain.rs
index 42e7ad066..49a36e6fd 100644
--- a/chain/src/chain.rs
+++ b/chain/src/chain.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/error.rs b/chain/src/error.rs
index 6270b0371..f1cec32d3 100644
--- a/chain/src/error.rs
+++ b/chain/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/lib.rs b/chain/src/lib.rs
index 07e9084b7..90ff59ce7 100644
--- a/chain/src/lib.rs
+++ b/chain/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/pipe.rs b/chain/src/pipe.rs
index dd1cdc96a..694ca8272 100644
--- a/chain/src/pipe.rs
+++ b/chain/src/pipe.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/store.rs b/chain/src/store.rs
index 24b083f65..a0e9a37aa 100644
--- a/chain/src/store.rs
+++ b/chain/src/store.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/txhashset.rs b/chain/src/txhashset.rs
index 6a23b355b..094df1cb9 100644
--- a/chain/src/txhashset.rs
+++ b/chain/src/txhashset.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/txhashset/bitmap_accumulator.rs b/chain/src/txhashset/bitmap_accumulator.rs
index 4d3d7dcd5..51fdd008f 100644
--- a/chain/src/txhashset/bitmap_accumulator.rs
+++ b/chain/src/txhashset/bitmap_accumulator.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/txhashset/rewindable_kernel_view.rs b/chain/src/txhashset/rewindable_kernel_view.rs
index aaa026fc6..9d4c9dcc0 100644
--- a/chain/src/txhashset/rewindable_kernel_view.rs
+++ b/chain/src/txhashset/rewindable_kernel_view.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/txhashset/txhashset.rs b/chain/src/txhashset/txhashset.rs
index 3497fe519..62f43a0cf 100644
--- a/chain/src/txhashset/txhashset.rs
+++ b/chain/src/txhashset/txhashset.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/txhashset/utxo_view.rs b/chain/src/txhashset/utxo_view.rs
index d3ffe0075..80089eae2 100644
--- a/chain/src/txhashset/utxo_view.rs
+++ b/chain/src/txhashset/utxo_view.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/src/types.rs b/chain/src/types.rs
index 9c28db699..a0f2c920e 100644
--- a/chain/src/types.rs
+++ b/chain/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/bitmap_accumulator.rs b/chain/tests/bitmap_accumulator.rs
index 38d03cc40..5d4803038 100644
--- a/chain/tests/bitmap_accumulator.rs
+++ b/chain/tests/bitmap_accumulator.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/chain_test_helper.rs b/chain/tests/chain_test_helper.rs
index 9acc09c8b..682645934 100644
--- a/chain/tests/chain_test_helper.rs
+++ b/chain/tests/chain_test_helper.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/data_file_integrity.rs b/chain/tests/data_file_integrity.rs
index 5ad7a9cb7..76a1e95fc 100644
--- a/chain/tests/data_file_integrity.rs
+++ b/chain/tests/data_file_integrity.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/mine_simple_chain.rs b/chain/tests/mine_simple_chain.rs
index 05657f92e..7d8ab8b58 100644
--- a/chain/tests/mine_simple_chain.rs
+++ b/chain/tests/mine_simple_chain.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/store_indices.rs b/chain/tests/store_indices.rs
index 8357bd59e..a0f5b2f98 100644
--- a/chain/tests/store_indices.rs
+++ b/chain/tests/store_indices.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/test_coinbase_maturity.rs b/chain/tests/test_coinbase_maturity.rs
index e7f147c52..109a51250 100644
--- a/chain/tests/test_coinbase_maturity.rs
+++ b/chain/tests/test_coinbase_maturity.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/test_txhashset.rs b/chain/tests/test_txhashset.rs
index e2f59511d..2b35160f2 100644
--- a/chain/tests/test_txhashset.rs
+++ b/chain/tests/test_txhashset.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/chain/tests/test_txhashset_archive.rs b/chain/tests/test_txhashset_archive.rs
index 0466a795a..0b1336317 100644
--- a/chain/tests/test_txhashset_archive.rs
+++ b/chain/tests/test_txhashset_archive.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/config/src/comments.rs b/config/src/comments.rs
index ef7d27c9e..b277c6166 100644
--- a/config/src/comments.rs
+++ b/config/src/comments.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/config/src/config.rs b/config/src/config.rs
index eb52d34b3..e63f92652 100644
--- a/config/src/config.rs
+++ b/config/src/config.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/config/src/lib.rs b/config/src/lib.rs
index ef31bcd3f..e1ef7de8a 100644
--- a/config/src/lib.rs
+++ b/config/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/config/src/types.rs b/config/src/types.rs
index 7572b4a23..617feb894 100644
--- a/config/src/types.rs
+++ b/config/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/consensus.rs b/core/src/consensus.rs
index b72eeaa62..0551247e2 100644
--- a/core/src/consensus.rs
+++ b/core/src/consensus.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/core/src/core.rs b/core/src/core.rs
index dfca30ea5..89c6b67a5 100644
--- a/core/src/core.rs
+++ b/core/src/core.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/block.rs b/core/src/core/block.rs
index 65d2cc76e..c24df1a2b 100644
--- a/core/src/core/block.rs
+++ b/core/src/core/block.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/block_sums.rs b/core/src/core/block_sums.rs
index 140a1eb85..fa50fbd68 100644
--- a/core/src/core/block_sums.rs
+++ b/core/src/core/block_sums.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/committed.rs b/core/src/core/committed.rs
index 44fe95a60..9fb2d7277 100644
--- a/core/src/core/committed.rs
+++ b/core/src/core/committed.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/compact_block.rs b/core/src/core/compact_block.rs
index a604b86b4..8a4b088af 100644
--- a/core/src/core/compact_block.rs
+++ b/core/src/core/compact_block.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/hash.rs b/core/src/core/hash.rs
index b888b1a3c..f5ad0c76d 100644
--- a/core/src/core/hash.rs
+++ b/core/src/core/hash.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/id.rs b/core/src/core/id.rs
index 7fe848811..a1b3d9986 100644
--- a/core/src/core/id.rs
+++ b/core/src/core/id.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/merkle_proof.rs b/core/src/core/merkle_proof.rs
index bbdb4f324..3cc8af03a 100644
--- a/core/src/core/merkle_proof.rs
+++ b/core/src/core/merkle_proof.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/pmmr.rs b/core/src/core/pmmr.rs
index 6b96b72b3..b41d89467 100644
--- a/core/src/core/pmmr.rs
+++ b/core/src/core/pmmr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/pmmr/backend.rs b/core/src/core/pmmr/backend.rs
index 5a9ef90c6..89c56d567 100644
--- a/core/src/core/pmmr/backend.rs
+++ b/core/src/core/pmmr/backend.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/pmmr/pmmr.rs b/core/src/core/pmmr/pmmr.rs
index 4d447d1d6..904d082b6 100644
--- a/core/src/core/pmmr/pmmr.rs
+++ b/core/src/core/pmmr/pmmr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/pmmr/readonly_pmmr.rs b/core/src/core/pmmr/readonly_pmmr.rs
index 0b013c6f3..4a447810f 100644
--- a/core/src/core/pmmr/readonly_pmmr.rs
+++ b/core/src/core/pmmr/readonly_pmmr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/pmmr/rewindable_pmmr.rs b/core/src/core/pmmr/rewindable_pmmr.rs
index f721ee6db..1e33c6fa3 100644
--- a/core/src/core/pmmr/rewindable_pmmr.rs
+++ b/core/src/core/pmmr/rewindable_pmmr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/pmmr/vec_backend.rs b/core/src/core/pmmr/vec_backend.rs
index 47f788a63..c3dd55c94 100644
--- a/core/src/core/pmmr/vec_backend.rs
+++ b/core/src/core/pmmr/vec_backend.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/transaction.rs b/core/src/core/transaction.rs
index dbba4a196..536346646 100644
--- a/core/src/core/transaction.rs
+++ b/core/src/core/transaction.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/core/verifier_cache.rs b/core/src/core/verifier_cache.rs
index fc9dca325..6e1a0836e 100644
--- a/core/src/core/verifier_cache.rs
+++ b/core/src/core/verifier_cache.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/genesis.rs b/core/src/genesis.rs
index 49f66411d..6288a6305 100644
--- a/core/src/genesis.rs
+++ b/core/src/genesis.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/global.rs b/core/src/global.rs
index 27a2a11c5..f3288d8f5 100644
--- a/core/src/global.rs
+++ b/core/src/global.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/lib.rs b/core/src/lib.rs
index 2e3e41c94..bb0b84259 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/libtx/aggsig.rs b/core/src/libtx/aggsig.rs
index 4be8714ad..42124b7d7 100644
--- a/core/src/libtx/aggsig.rs
+++ b/core/src/libtx/aggsig.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/libtx/build.rs b/core/src/libtx/build.rs
index 64d40fb8e..07f66b181 100644
--- a/core/src/libtx/build.rs
+++ b/core/src/libtx/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/libtx/error.rs b/core/src/libtx/error.rs
index f69e248ec..a6b98c335 100644
--- a/core/src/libtx/error.rs
+++ b/core/src/libtx/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/libtx/mod.rs b/core/src/libtx/mod.rs
index 12d4201bf..579ebbb1f 100644
--- a/core/src/libtx/mod.rs
+++ b/core/src/libtx/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/libtx/proof.rs b/core/src/libtx/proof.rs
index 5fafffb00..43a408942 100644
--- a/core/src/libtx/proof.rs
+++ b/core/src/libtx/proof.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/libtx/reward.rs b/core/src/libtx/reward.rs
index 2d818d912..ec60ab1a4 100644
--- a/core/src/libtx/reward.rs
+++ b/core/src/libtx/reward.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/libtx/secp_ser.rs b/core/src/libtx/secp_ser.rs
index 9ab136d67..03d86851e 100644
--- a/core/src/libtx/secp_ser.rs
+++ b/core/src/libtx/secp_ser.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/macros.rs b/core/src/macros.rs
index b2954d773..05bc78bc9 100644
--- a/core/src/macros.rs
+++ b/core/src/macros.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow.rs b/core/src/pow.rs
index 228f0cac7..2e285e5b8 100644
--- a/core/src/pow.rs
+++ b/core/src/pow.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow/common.rs b/core/src/pow/common.rs
index 163595aa2..e86028070 100644
--- a/core/src/pow/common.rs
+++ b/core/src/pow/common.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow/cuckaroo.rs b/core/src/pow/cuckaroo.rs
index 0e14525b4..3be8ab9d7 100644
--- a/core/src/pow/cuckaroo.rs
+++ b/core/src/pow/cuckaroo.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow/cuckarood.rs b/core/src/pow/cuckarood.rs
index 1c38f76d7..bebd0e5b2 100644
--- a/core/src/pow/cuckarood.rs
+++ b/core/src/pow/cuckarood.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow/cuckaroom.rs b/core/src/pow/cuckaroom.rs
index 57b8c0c40..eeed5b5f3 100644
--- a/core/src/pow/cuckaroom.rs
+++ b/core/src/pow/cuckaroom.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow/error.rs b/core/src/pow/error.rs
index 4e5b308d7..bbcff4c92 100644
--- a/core/src/pow/error.rs
+++ b/core/src/pow/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow/siphash.rs b/core/src/pow/siphash.rs
index d3edfb7ab..af6def7f0 100644
--- a/core/src/pow/siphash.rs
+++ b/core/src/pow/siphash.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/pow/types.rs b/core/src/pow/types.rs
index 80d2212dc..6bf4c1ae1 100644
--- a/core/src/pow/types.rs
+++ b/core/src/pow/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/src/ser.rs b/core/src/ser.rs
index 028f6263a..244e7731f 100644
--- a/core/src/ser.rs
+++ b/core/src/ser.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/block.rs b/core/tests/block.rs
index bea271f21..69a03fe0a 100644
--- a/core/tests/block.rs
+++ b/core/tests/block.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/common.rs b/core/tests/common.rs
index eca6a08cb..303cd31ab 100644
--- a/core/tests/common.rs
+++ b/core/tests/common.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/consensus.rs b/core/tests/consensus.rs
index f0a86f256..3ad061cb2 100644
--- a/core/tests/consensus.rs
+++ b/core/tests/consensus.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/core/tests/core.rs b/core/tests/core.rs
index a6d90fb9a..4b6b92e86 100644
--- a/core/tests/core.rs
+++ b/core/tests/core.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/merkle_proof.rs b/core/tests/merkle_proof.rs
index 09bea77fb..293fea3cc 100644
--- a/core/tests/merkle_proof.rs
+++ b/core/tests/merkle_proof.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/pmmr.rs b/core/tests/pmmr.rs
index 7da9e1357..6f9a241f6 100644
--- a/core/tests/pmmr.rs
+++ b/core/tests/pmmr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/transaction.rs b/core/tests/transaction.rs
index 93d72e693..e691df7de 100644
--- a/core/tests/transaction.rs
+++ b/core/tests/transaction.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/vec_backend.rs b/core/tests/vec_backend.rs
index 73e0db73a..d0d313cd9 100644
--- a/core/tests/vec_backend.rs
+++ b/core/tests/vec_backend.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/core/tests/verifier_cache.rs b/core/tests/verifier_cache.rs
index 0aa4b7cc9..6ea939f71 100644
--- a/core/tests/verifier_cache.rs
+++ b/core/tests/verifier_cache.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/etc/gen_gen/src/bin/gen_gen.rs b/etc/gen_gen/src/bin/gen_gen.rs
index 76db7d9ac..84753d164 100644
--- a/etc/gen_gen/src/bin/gen_gen.rs
+++ b/etc/gen_gen/src/bin/gen_gen.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/keychain/src/base58.rs b/keychain/src/base58.rs
index 1c0b0f137..19b740d52 100644
--- a/keychain/src/base58.rs
+++ b/keychain/src/base58.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/keychain/src/extkey_bip32.rs b/keychain/src/extkey_bip32.rs
index 22335772e..245554f69 100644
--- a/keychain/src/extkey_bip32.rs
+++ b/keychain/src/extkey_bip32.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/keychain/src/keychain.rs b/keychain/src/keychain.rs
index f9b1138aa..1cccb7b31 100644
--- a/keychain/src/keychain.rs
+++ b/keychain/src/keychain.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/keychain/src/lib.rs b/keychain/src/lib.rs
index d3e24d03c..04461e526 100644
--- a/keychain/src/lib.rs
+++ b/keychain/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/keychain/src/mnemonic.rs b/keychain/src/mnemonic.rs
index 752907db1..90b034d45 100644
--- a/keychain/src/mnemonic.rs
+++ b/keychain/src/mnemonic.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/keychain/src/types.rs b/keychain/src/types.rs
index a6c774935..2cc4dfe8e 100644
--- a/keychain/src/types.rs
+++ b/keychain/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/conn.rs b/p2p/src/conn.rs
index 121f9deb5..9cf1ccfb5 100644
--- a/p2p/src/conn.rs
+++ b/p2p/src/conn.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/handshake.rs b/p2p/src/handshake.rs
index 093bc6dc2..ad09291bb 100644
--- a/p2p/src/handshake.rs
+++ b/p2p/src/handshake.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/lib.rs b/p2p/src/lib.rs
index 315cf5d91..5cc1b2168 100644
--- a/p2p/src/lib.rs
+++ b/p2p/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/msg.rs b/p2p/src/msg.rs
index 1bd82db48..47074c633 100644
--- a/p2p/src/msg.rs
+++ b/p2p/src/msg.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/peer.rs b/p2p/src/peer.rs
index 77b7d7805..a14c1566c 100644
--- a/p2p/src/peer.rs
+++ b/p2p/src/peer.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/peers.rs b/p2p/src/peers.rs
index 505008cae..415804a89 100644
--- a/p2p/src/peers.rs
+++ b/p2p/src/peers.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/protocol.rs b/p2p/src/protocol.rs
index 2d36381e0..7a61d5707 100644
--- a/p2p/src/protocol.rs
+++ b/p2p/src/protocol.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/serv.rs b/p2p/src/serv.rs
index 7e8e87105..9cbfaa313 100644
--- a/p2p/src/serv.rs
+++ b/p2p/src/serv.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/store.rs b/p2p/src/store.rs
index 38fa4335f..ae9703305 100644
--- a/p2p/src/store.rs
+++ b/p2p/src/store.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/src/types.rs b/p2p/src/types.rs
index 1a6ceddd1..ca783b2a5 100644
--- a/p2p/src/types.rs
+++ b/p2p/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/tests/peer_addr.rs b/p2p/tests/peer_addr.rs
index 7ac3a9abd..97f2e3a68 100644
--- a/p2p/tests/peer_addr.rs
+++ b/p2p/tests/peer_addr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/tests/peer_handshake.rs b/p2p/tests/peer_handshake.rs
index cb607d51c..e313370cc 100644
--- a/p2p/tests/peer_handshake.rs
+++ b/p2p/tests/peer_handshake.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/p2p/tests/ser_deser.rs b/p2p/tests/ser_deser.rs
index 7289c1a68..2a403fa92 100644
--- a/p2p/tests/ser_deser.rs
+++ b/p2p/tests/ser_deser.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/src/lib.rs b/pool/src/lib.rs
index 37cae8ac5..790b3537e 100644
--- a/pool/src/lib.rs
+++ b/pool/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/src/pool.rs b/pool/src/pool.rs
index 68948d6b1..e2469dcae 100644
--- a/pool/src/pool.rs
+++ b/pool/src/pool.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/src/transaction_pool.rs b/pool/src/transaction_pool.rs
index 0dc2ccc38..2fc4c0226 100644
--- a/pool/src/transaction_pool.rs
+++ b/pool/src/transaction_pool.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/src/types.rs b/pool/src/types.rs
index 3070ea757..3d9d08f22 100644
--- a/pool/src/types.rs
+++ b/pool/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/tests/block_building.rs b/pool/tests/block_building.rs
index 884173e43..d0feb6e70 100644
--- a/pool/tests/block_building.rs
+++ b/pool/tests/block_building.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/tests/block_max_weight.rs b/pool/tests/block_max_weight.rs
index 0adddc2fe..77cf28d07 100644
--- a/pool/tests/block_max_weight.rs
+++ b/pool/tests/block_max_weight.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/tests/block_reconciliation.rs b/pool/tests/block_reconciliation.rs
index f28d1feab..fe62d6861 100644
--- a/pool/tests/block_reconciliation.rs
+++ b/pool/tests/block_reconciliation.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/tests/coinbase_maturity.rs b/pool/tests/coinbase_maturity.rs
index 7ff8319ea..88eb0e1df 100644
--- a/pool/tests/coinbase_maturity.rs
+++ b/pool/tests/coinbase_maturity.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/tests/common.rs b/pool/tests/common.rs
index 99b54fafb..885e0dfd4 100644
--- a/pool/tests/common.rs
+++ b/pool/tests/common.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/pool/tests/transaction_pool.rs b/pool/tests/transaction_pool.rs
index 065512ac1..df41ed3ba 100644
--- a/pool/tests/transaction_pool.rs
+++ b/pool/tests/transaction_pool.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/common.rs b/servers/src/common.rs
index 27cc71003..67cc12b40 100644
--- a/servers/src/common.rs
+++ b/servers/src/common.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/common/adapters.rs b/servers/src/common/adapters.rs
index 946fb1006..8680c009f 100644
--- a/servers/src/common/adapters.rs
+++ b/servers/src/common/adapters.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/common/hooks.rs b/servers/src/common/hooks.rs
index 8b21c050f..8fa7924aa 100644
--- a/servers/src/common/hooks.rs
+++ b/servers/src/common/hooks.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/common/stats.rs b/servers/src/common/stats.rs
index 3c23406ad..20006bfc3 100644
--- a/servers/src/common/stats.rs
+++ b/servers/src/common/stats.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/common/types.rs b/servers/src/common/types.rs
index 8874a8040..4f86d51cd 100644
--- a/servers/src/common/types.rs
+++ b/servers/src/common/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin.rs b/servers/src/grin.rs
index 83a30d9a4..b9c897751 100644
--- a/servers/src/grin.rs
+++ b/servers/src/grin.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/dandelion_monitor.rs b/servers/src/grin/dandelion_monitor.rs
index 635ed6e43..d4442a460 100644
--- a/servers/src/grin/dandelion_monitor.rs
+++ b/servers/src/grin/dandelion_monitor.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/seed.rs b/servers/src/grin/seed.rs
index b62889121..7921429a0 100644
--- a/servers/src/grin/seed.rs
+++ b/servers/src/grin/seed.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/server.rs b/servers/src/grin/server.rs
index b53f0d903..6e5629965 100644
--- a/servers/src/grin/server.rs
+++ b/servers/src/grin/server.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/sync.rs b/servers/src/grin/sync.rs
index 94c4bcc0d..2f01c286d 100644
--- a/servers/src/grin/sync.rs
+++ b/servers/src/grin/sync.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/sync/body_sync.rs b/servers/src/grin/sync/body_sync.rs
index 43e1d19db..6c436bba2 100644
--- a/servers/src/grin/sync/body_sync.rs
+++ b/servers/src/grin/sync/body_sync.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/sync/header_sync.rs b/servers/src/grin/sync/header_sync.rs
index 42e876938..360e6cb90 100644
--- a/servers/src/grin/sync/header_sync.rs
+++ b/servers/src/grin/sync/header_sync.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/sync/state_sync.rs b/servers/src/grin/sync/state_sync.rs
index 3a1e2d62d..23a87bb39 100644
--- a/servers/src/grin/sync/state_sync.rs
+++ b/servers/src/grin/sync/state_sync.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/grin/sync/syncer.rs b/servers/src/grin/sync/syncer.rs
index 68f9f4f5d..0beeb124d 100644
--- a/servers/src/grin/sync/syncer.rs
+++ b/servers/src/grin/sync/syncer.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/lib.rs b/servers/src/lib.rs
index 78b58c625..eaa443c2b 100644
--- a/servers/src/lib.rs
+++ b/servers/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/mining.rs b/servers/src/mining.rs
index 791f927b9..79a29ff81 100644
--- a/servers/src/mining.rs
+++ b/servers/src/mining.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/mining/mine_block.rs b/servers/src/mining/mine_block.rs
index 54163bd27..fea2359ea 100644
--- a/servers/src/mining/mine_block.rs
+++ b/servers/src/mining/mine_block.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/mining/stratumserver.rs b/servers/src/mining/stratumserver.rs
index add152564..190c8ee43 100644
--- a/servers/src/mining/stratumserver.rs
+++ b/servers/src/mining/stratumserver.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/servers/src/mining/test_miner.rs b/servers/src/mining/test_miner.rs
index 9bc46920d..582888270 100644
--- a/servers/src/mining/test_miner.rs
+++ b/servers/src/mining/test_miner.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/cmd/client.rs b/src/bin/cmd/client.rs
index 0f85546ee..2cacc1524 100644
--- a/src/bin/cmd/client.rs
+++ b/src/bin/cmd/client.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/cmd/config.rs b/src/bin/cmd/config.rs
index a48e7dcf0..f6211a39c 100644
--- a/src/bin/cmd/config.rs
+++ b/src/bin/cmd/config.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/cmd/mod.rs b/src/bin/cmd/mod.rs
index bcec1d730..86078b7c7 100644
--- a/src/bin/cmd/mod.rs
+++ b/src/bin/cmd/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/cmd/server.rs b/src/bin/cmd/server.rs
index 25ab7994e..1b1484c09 100644
--- a/src/bin/cmd/server.rs
+++ b/src/bin/cmd/server.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/grin.rs b/src/bin/grin.rs
index 886c586f7..826e73a88 100644
--- a/src/bin/grin.rs
+++ b/src/bin/grin.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/constants.rs b/src/bin/tui/constants.rs
index 07a074bcc..cc381c792 100644
--- a/src/bin/tui/constants.rs
+++ b/src/bin/tui/constants.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/logs.rs b/src/bin/tui/logs.rs
index e42ff675e..fcea114bd 100644
--- a/src/bin/tui/logs.rs
+++ b/src/bin/tui/logs.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/menu.rs b/src/bin/tui/menu.rs
index 1ebc50974..eb27f51c7 100644
--- a/src/bin/tui/menu.rs
+++ b/src/bin/tui/menu.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/mining.rs b/src/bin/tui/mining.rs
index ca9907571..e60b78124 100644
--- a/src/bin/tui/mining.rs
+++ b/src/bin/tui/mining.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/mod.rs b/src/bin/tui/mod.rs
index 2d7fba244..367db379c 100644
--- a/src/bin/tui/mod.rs
+++ b/src/bin/tui/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/peers.rs b/src/bin/tui/peers.rs
index 890244f01..bcf59b436 100644
--- a/src/bin/tui/peers.rs
+++ b/src/bin/tui/peers.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/status.rs b/src/bin/tui/status.rs
index 3e6e3099a..d3627b3ef 100644
--- a/src/bin/tui/status.rs
+++ b/src/bin/tui/status.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/table.rs b/src/bin/tui/table.rs
index a165d3d7e..a3b55bd3b 100644
--- a/src/bin/tui/table.rs
+++ b/src/bin/tui/table.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/types.rs b/src/bin/tui/types.rs
index eebcc4017..05a9b62b8 100644
--- a/src/bin/tui/types.rs
+++ b/src/bin/tui/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/ui.rs b/src/bin/tui/ui.rs
index b38f5ac2b..c17cc2f5c 100644
--- a/src/bin/tui/ui.rs
+++ b/src/bin/tui/ui.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/bin/tui/version.rs b/src/bin/tui/version.rs
index a55d5705c..eaaf476a6 100644
--- a/src/bin/tui/version.rs
+++ b/src/bin/tui/version.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/build/build.rs b/src/build/build.rs
index f242b35be..5af925393 100644
--- a/src/build/build.rs
+++ b/src/build/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/src/leaf_set.rs b/store/src/leaf_set.rs
index 05143c464..b6b950020 100644
--- a/store/src/leaf_set.rs
+++ b/store/src/leaf_set.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/store/src/lib.rs b/store/src/lib.rs
index 79297d9ca..2378dbbdc 100644
--- a/store/src/lib.rs
+++ b/store/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/src/lmdb.rs b/store/src/lmdb.rs
index 71eb85c9e..41a010600 100644
--- a/store/src/lmdb.rs
+++ b/store/src/lmdb.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/src/pmmr.rs b/store/src/pmmr.rs
index baaa0cd11..c7ccd7233 100644
--- a/store/src/pmmr.rs
+++ b/store/src/pmmr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/store/src/prune_list.rs b/store/src/prune_list.rs
index e760c2f3e..0bde73db5 100644
--- a/store/src/prune_list.rs
+++ b/store/src/prune_list.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/src/types.rs b/store/src/types.rs
index fa77c8a4b..2f708ba9c 100644
--- a/store/src/types.rs
+++ b/store/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/store/tests/lmdb.rs b/store/tests/lmdb.rs
index 82b316734..5f072567a 100644
--- a/store/tests/lmdb.rs
+++ b/store/tests/lmdb.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/tests/pmmr.rs b/store/tests/pmmr.rs
index 71b008932..32b321337 100644
--- a/store/tests/pmmr.rs
+++ b/store/tests/pmmr.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/tests/prune_list.rs b/store/tests/prune_list.rs
index c66e467c0..89b5972e9 100644
--- a/store/tests/prune_list.rs
+++ b/store/tests/prune_list.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/tests/test_bitmap.rs b/store/tests/test_bitmap.rs
index e2c744b5f..5ef214b98 100644
--- a/store/tests/test_bitmap.rs
+++ b/store/tests/test_bitmap.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/store/tests/utxo_set_perf.rs b/store/tests/utxo_set_perf.rs
index 540f6aa3f..0e0e66412 100644
--- a/store/tests/utxo_set_perf.rs
+++ b/store/tests/utxo_set_perf.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/file.rs b/util/src/file.rs
index ef4903b41..744beb9ce 100644
--- a/util/src/file.rs
+++ b/util/src/file.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/hex.rs b/util/src/hex.rs
index 9426d1abc..26c16c32a 100644
--- a/util/src/hex.rs
+++ b/util/src/hex.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/lib.rs b/util/src/lib.rs
index 4fb62b261..669f7751a 100644
--- a/util/src/lib.rs
+++ b/util/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/logger.rs b/util/src/logger.rs
index 3a93aee63..b38b46331 100644
--- a/util/src/logger.rs
+++ b/util/src/logger.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/util/src/macros.rs b/util/src/macros.rs
index bdc382fad..2213bdbe4 100644
--- a/util/src/macros.rs
+++ b/util/src/macros.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/rate_counter.rs b/util/src/rate_counter.rs
index e2f0f835f..c41fb35b6 100644
--- a/util/src/rate_counter.rs
+++ b/util/src/rate_counter.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/secp_static.rs b/util/src/secp_static.rs
index 67a40993f..f9c2b53e3 100644
--- a/util/src/secp_static.rs
+++ b/util/src/secp_static.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/types.rs b/util/src/types.rs
index 770af6ad9..364167c58 100644
--- a/util/src/types.rs
+++ b/util/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/src/zip.rs b/util/src/zip.rs
index 3cfcc941d..4bd27e3be 100644
--- a/util/src/zip.rs
+++ b/util/src/zip.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/tests/file.rs b/util/tests/file.rs
index 482da7089..45cf92dd6 100644
--- a/util/tests/file.rs
+++ b/util/tests/file.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/util/tests/zip.rs b/util/tests/zip.rs
index 82821f54b..deda2204d 100644
--- a/util/tests/zip.rs
+++ b/util/tests/zip.rs
@@ -1,4 +1,4 @@
-// Copyright 2019 The Grin Developers
+// Copyright 2020 The Grin Developers
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.