Only if every btc node used this binary but because it’s decentralized theres multiple people compiling the source so the affected binary would not be affected.
In centralized software something like this is way easier. VSCode for example adds proprietary telemetry on top of their open source code and because most people downloads from the website instead of compiling, they ended up using a software that diverges the source code implementation. But even in this case you could use Codium that implements the source code version.
This is not true; Bitcoin is open source and you don’t have to guess whether such line is there or not.
It is not.
In theory it could be added in addition to the open source, somewhere in the build process. Not that I think that, but it could.
Only if every btc node used this binary but because it’s decentralized theres multiple people compiling the source so the affected binary would not be affected.
In centralized software something like this is way easier. VSCode for example adds proprietary telemetry on top of their open source code and because most people downloads from the website instead of compiling, they ended up using a software that diverges the source code implementation. But even in this case you could use Codium that implements the source code version.