What changed, and why it matters
This commit only updates the copyright year from 2025 to 2026 in three documentation/legal files. It does not change any executable code, build logic, or network behavior, and has no security relevance.
Recommended action
No action needed; this is a routine annual documentation update.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The diff modifies only the COPYRIGHT_YEAR CMake variable and copyright notices in COPYING and contrib/debian/copyright. No source code, build rules, dependencies, or runtime behavior are affected.
Changed components
Not specified
Inspect captured patch +4 / −4
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e6c255d..1b1df77b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ set(CLIENT_VERSION_MINOR 99)
set(CLIENT_VERSION_BUILD 0)
set(CLIENT_VERSION_RC 0)
set(CLIENT_VERSION_IS_RELEASE "false")
-set(COPYRIGHT_YEAR "2025")
+set(COPYRIGHT_YEAR "2026")
# During the enabling of the CXX and CXXOBJ languages, we modify
# CMake's compiler/linker invocation strings by appending the content
diff --git a/COPYING b/COPYING
index 23dc5e90..89960cbf 100644
--- a/COPYING
+++ b/COPYING
@@ -1,7 +1,7 @@
The MIT License (MIT)
-Copyright (c) 2009-2025 The Bitcoin Core developers
-Copyright (c) 2009-2025 Bitcoin Developers
+Copyright (c) 2009-2026 The Bitcoin Core developers
+Copyright (c) 2009-2026 Bitcoin Developers
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
diff --git a/contrib/debian/copyright b/contrib/debian/copyright
index 4e4deef9..4f703770 100644
--- a/contrib/debian/copyright
+++ b/contrib/debian/copyright
@@ -5,7 +5,7 @@ Upstream-Contact: Satoshi Nakamoto <satoshin@gmx.com>
Source: https://github.com/bitcoin/bitcoin
Files: *
-Copyright: 2009-2025, Bitcoin Core Developers
+Copyright: 2009-2026, Bitcoin Core Developers
License: Expat
Comment: The Bitcoin Core Developers encompasses all contributors to the
project, listed in the release notes or the git log.
Risk score
Our methodology →Why this scored 15/100
Human-validated context
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