Hi, this seems a very interesting project - great work rico666!
I'm still getting familiar with it but meanwhile when I try to check my rank - for sake of curiosity - I'm getting:

$ ./LBC -q

Problem connecting to server http://lbc.cryptoguru.org:5000//query(status: 500 Internal Server Error). Retries left: 2
Sleeping 8.488 s...

Problem connecting to server http://lbc.cryptoguru.org:5000//query(status: 500 Internal Server Error). Retries left: 1
Sleeping 15.169 s...

thanks