: The Bitcoin GitHub repository contains source code for all releases. Note that GitHub-generated binaries are not recommended; use the signed links provided in the release notes instead. Security and Verification
Running an old version of Bitcoin Core is dangerous . Older versions may have known vulnerabilities, performance bugs, or be incompatible with the current Bitcoin network (leading to syncing failures or even loss of funds). Only do this for historical research, testing, or building old nodes on an isolated network.
The safest way to acquire older versions is through official repositories and verified archives to avoid tampered binaries.
A visual timeline of major releases with limited download links is maintained on the Bitcoin.org version history page .
: The Bitcoin GitHub repository contains source code for all releases. Note that GitHub-generated binaries are not recommended; use the signed links provided in the release notes instead. Security and Verification
Running an old version of Bitcoin Core is dangerous . Older versions may have known vulnerabilities, performance bugs, or be incompatible with the current Bitcoin network (leading to syncing failures or even loss of funds). Only do this for historical research, testing, or building old nodes on an isolated network.
The safest way to acquire older versions is through official repositories and verified archives to avoid tampered binaries.
A visual timeline of major releases with limited download links is maintained on the Bitcoin.org version history page .