We don't have a possibility to ban IP addresses because our system and servers don't process nor log them. It's explained very well in our ToS.
I understand, but what happens if someone is trying to ddos attack your website? Do you block them or not?
It is possible this guy I know was using some vpn and this could be the reason he couldn't access eXch website.
We are happy to announce Lightning support starting today.
Good move, this will be very useful, especially when btc transaction fees on mainnet go crazy, and I think LN can also be better for privacy.