Tor can be dangerous, like exit nodes that log information like passwords and the like.
So a major question about the security of Bitcoin when using it with Tor (or any other proxy service) arises:
- So what exactly does Bitcoin send when it connects to an IP?
- Is everything encrypted that we send over the line?
- Can someone 'steal' bitcoins by listening at the end of a proxy (or in Tor's case an "exit node")?
Speaking of security, we might just want to add a simple version checking procedure in bitcoin that will alert a user if s/he is running an "insecure version of bitcoin".