The fee subtraction logic in create_psbt incorrectly always subtracts from the first recipient, ignoring the subtract_from parameter. This can lead to misconfigured transactions.

and

Command Injection via subprocess.Popen with shell=True

All you have to do is learn three programming languages, four frameworks, and become a master in machine learning.

I heard that also. I love Stacker News for lots of reasons.

Some apps don't work with a pruned node.

Is there a guide for a beginner to work on this?

Yes, please continue