I found this quote in another thread:
Monero has a ton of bugs and nobody is able to fix them because - guess what - Â Monero developers have no idea what thay are doing. I2P integration into CryptoNote? Who told you that would be a good idea??
Long  story short, i find Bytecoin more reliable.
You realize that without an IP solution any blockchain anonymity is rendered meaningless right?
So is it possible to find the IP address of any Bitcoin user via their Bitcoin address/transaction?
For example, here is a random address:
http://blockchain.info/address/1PFMGybSCDnoq8bHtzQD2vUfyHohsH8FF5What would be/have been their IP address?