diff --git a/contrib/dragonx_scanner b/contrib/dragonx_scanner
index 4f97d8da4..8e11610ae 100755
--- a/contrib/dragonx_scanner
+++ b/contrib/dragonx_scanner
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index df090cd05..e83a92145 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -18,8 +18,8 @@ git checkout dev
 
 Then install needed dependencies. This is different on each OS as well as
 older or newer systems. See https://git.hush.is/hush/hush3/src/branch/dev/INSTALL.md for
-details on installing dependencies. If you are using a recent-ish Linux distro, this
-is probably what you need:
+details on installing dependencies. If you are using a recent-ish Ubuntu or Debian Linux
+distro, this is probably what you need:
 
 ```
 # install build dependencies
diff --git a/qa/hush/create_benchmark_archive.py b/qa/hush/create_benchmark_archive.py
index 612d5bcad..15994b1a6 100644
--- a/qa/hush/create_benchmark_archive.py
+++ b/qa/hush/create_benchmark_archive.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/authproxy.py b/qa/rpc-tests/test_framework/authproxy.py
index 158fc04e9..366140aab 100644
--- a/qa/rpc-tests/test_framework/authproxy.py
+++ b/qa/rpc-tests/test_framework/authproxy.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/bignum.py b/qa/rpc-tests/test_framework/bignum.py
index f77bc2226..de5bf3f0e 100644
--- a/qa/rpc-tests/test_framework/bignum.py
+++ b/qa/rpc-tests/test_framework/bignum.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/blockstore.py b/qa/rpc-tests/test_framework/blockstore.py
index e1ecf7648..5a3e911e2 100644
--- a/qa/rpc-tests/test_framework/blockstore.py
+++ b/qa/rpc-tests/test_framework/blockstore.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/blocktools.py b/qa/rpc-tests/test_framework/blocktools.py
index 5e87321ec..6f111f3bf 100644
--- a/qa/rpc-tests/test_framework/blocktools.py
+++ b/qa/rpc-tests/test_framework/blocktools.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/equihash.py b/qa/rpc-tests/test_framework/equihash.py
index c19b24217..7a182274d 100755
--- a/qa/rpc-tests/test_framework/equihash.py
+++ b/qa/rpc-tests/test_framework/equihash.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/mininode.py b/qa/rpc-tests/test_framework/mininode.py
index 4a7624cc8..69120e5b8 100755
--- a/qa/rpc-tests/test_framework/mininode.py
+++ b/qa/rpc-tests/test_framework/mininode.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/script.py b/qa/rpc-tests/test_framework/script.py
index 67a868cf6..29ac60ab7 100644
--- a/qa/rpc-tests/test_framework/script.py
+++ b/qa/rpc-tests/test_framework/script.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
diff --git a/qa/rpc-tests/test_framework/socks5.py b/qa/rpc-tests/test_framework/socks5.py
index 36e2d66b3..16a2d4cbe 100644
--- a/qa/rpc-tests/test_framework/socks5.py
+++ b/qa/rpc-tests/test_framework/socks5.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python2
 # Copyright (c) 2016-2024 The Hush developers
 # Copyright (c) 2015 The Bitcoin Core developers
 # Distributed under the GPLv3 software license, see the accompanying
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 180c7fc5d..e2603e14c 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -3138,7 +3138,7 @@ void *chainparams_commandline() {
                     (1130000,     uint256S("0x000082de552f3b0dbd1a805e08db29f9f60fe020ee88944b0266e55cda2f7e78"))
                     (1131000,     uint256S("0x0000061cc63ed366899e9d4d7c748ac75ae3ef9a32ef60e92cf7c0c306ee9711"))
                     (1132000,     uint256S("0x00008bd55bfae2a954b70b04f570e03b9148d639358a697b5d2e948fc6345918"))
-	            (1133000,     uint256S("0x00003a59655529f46df2b436019db7b1d7b9757f4416699ab5d895cd68f9be64"))
+                    (1133000,     uint256S("0x00003a59655529f46df2b436019db7b1d7b9757f4416699ab5d895cd68f9be64"))
                     (1134000,     uint256S("0x00004f6097651296f52e7d69a51e7b82ce12599109c5abc201d77cf9af9d6e88"))
                     (1135000,     uint256S("0x000049450fcc6b737c938099e17bc0c54cd18b385112cd7689477a9cc8a27e99"))
                     (1136000,     uint256S("0x00005ea94a0ee3a23b8224a87dd107e13ea0e86a59c3d2de4fb9fd3a94c0fe27"))
diff --git a/src/crypto/common.h b/src/crypto/common.h
index bfc43d8bc..64c144848 100644
--- a/src/crypto/common.h
+++ b/src/crypto/common.h
@@ -1,4 +1,3 @@
-// Copyright (c) 2016-2024 The Hush developers
 // Copyright (c) 2014 The Bitcoin Core developers
 // Copyright (c) 2016-2024 The Hush developers
 // Released under the GPLv3