It frequently goes down, they are constantly working on the website fixing bugs and working on new features.
It's back up now and working fine.
Not seeing work will progress. after Q2 2018 still update.
It's closed with open only.
Q4 2018 exchange time ? avesta say NO. avestaoffcialaccount talk CEO scam.
It would help if you could at least write in English, then if someone was interested in reading your pointless spamming at least they could understand you.