Great news, Bata is now on EXCHANGED.i2P
here's a tutorial on how to access the anonymous i2p exchange:
1) Download i2P for your platform.
https://geti2p.net/en/download 2) after it's installed, start it! use the icon that says Start i2P (no window)
3) open your favorite browser (we prefer firefox) and set your proxy to 127.0.0.1 port 4444 (see bottom of page if you cant figure out where to set proxy)
4) put exchanged.i2p or
http://ylmulgfskl6uiwac4hw4ecwqdzd3oxtwaemzj25zc6k5q4rkexra.b32.i2p/ as the URL and hit enter
5) you're done! just make an account like you would anywhere else.
if the site doesnt show up, try waiting a few minutes, sometimes i2p takes a while to start up, especially if its the first time.