... Yeah, me too. If you check out the "about" page [1], there's IRC info at the bottom [2], so there may be hints there. 1: https://stripe-ctf.com/about https

... Yeah, me too. If you check out the "about" page [1], there's IRC info at the bottom [2], so there may be hints there. 1: https://stripe-ctf.com/about https://stripe-ctf.com/about 2: irc://irc.stripe.com:+6697/ctf Edit: the IRC helped. the issue isn't ruby, sinatra, etc.