Hi Todor,

Thanks for reaching out. To answer your questions

1. Yes, the hardware specified above will be used exclusively for EOS mainchain developments.

Questions 2 & 3 will be addressed by our CTO, Paolo Ardoino, at tonights EOSLondon presentation. At the risk of spoiling his answers, I will put together a transcript of the presentation for the EOS community to go through immediately. Looking forward to discussing our approach with you. Feel free to stop by our Telegram if you'd like to discuss directly with our development team.
Thanks!